991072908

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:362

約数の個数: 240

約数和(自身を含む): 3160326400

約数和(自身を除く): 2169253492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 108, 109, 114, 126, 133, 162, 171, 189, 211, 218, 228, 252, 266, 324, 327, 342, 378, 399, 422, 436, 513, 532, 567, 633, 654, 684, 756, 763, 798, 844, 981, 1026, 1134, 1197, 1266, 1308, 1477, 1526, 1539, 1596, 1899, 1962, 2052, 2071, 2268, 2289, 2394, 2532, 2943, 2954, 3052, 3078, 3591, 3798, 3924, 4009, 4142, 4431, 4578, 4788, 5697, 5886, 5908, 6156, 6213, 6867, 7182, 7596, 8018, 8284, 8829, 8862, 9156, 10773, 11394, 11772, 12027, 12426, 13293, 13734, 14364, 14497, 16036, 17091, 17658, 17724, 18639, 20601, 21546, 22788, 22999, 24054, 24852, 26586, 27468, 28063, 28994, 34182, 35316, 36081, 37278, 39879, 41202, 43092, 43491, 45998, 48108, 53172, 55917, 56126, 57988, 61803, 68364, 68997, 72162, 74556, 79758, 82404, 84189, 86982, 91996, 108243, 111834, 112252, 119637, 123606, 130473, 137994, 144324, 159516, 160993, 167751, 168378, 173964, 206991, 216486, 223668, 239274, 247212, 252567, 260946, 275988, 321986, 324729, 335502, 336756, 391419, 413982, 432972, 436981, 478548, 482979, 505134, 521892, 620973, 643972, 649458, 671004, 757701, 782838, 827964, 873962, 965958, 1010268, 1174257, 1241946, 1298916, 1310943, 1448937, 1515402, 1565676, 1747924, 1862919, 1931916, 2273103, 2348514, 2483892, 2621886, 2897874, 3030804, 3058867, 3725838, 3932829, 4346811, 4546206, 4697028, 5243772, 5795748, 6117734, 7451676, 7865658, 8693622, 9092412, 9176601, 11798487, 12235468, 13040433, 15731316, 17387244, 18353202, 23596974, 26080866, 27529803, 35395461, 36706404, 47193948, 52161732, 55059606, 70790922, 82589409, 110119212, 141581844, 165178818, 247768227, 330357636, 495536454, 991072908]

約数ペア:

[(1, 991072908), (2, 495536454), (3, 330357636), (4, 247768227), (6, 165178818), (7, 141581844), (9, 110119212), (12, 82589409), (14, 70790922), (18, 55059606), (19, 52161732), (21, 47193948), (27, 36706404), (28, 35395461), (36, 27529803), (38, 26080866), (42, 23596974), (54, 18353202), (57, 17387244), (63, 15731316), (76, 13040433), (81, 12235468), (84, 11798487), (108, 9176601), (109, 9092412), (114, 8693622), (126, 7865658), (133, 7451676), (162, 6117734), (171, 5795748), (189, 5243772), (211, 4697028), (218, 4546206), (228, 4346811), (252, 3932829), (266, 3725838), (324, 3058867), (327, 3030804), (342, 2897874), (378, 2621886), (399, 2483892), (422, 2348514), (436, 2273103), (513, 1931916), (532, 1862919), (567, 1747924), (633, 1565676), (654, 1515402), (684, 1448937), (756, 1310943), (763, 1298916), (798, 1241946), (844, 1174257), (981, 1010268), (1026, 965958), (1134, 873962), (1197, 827964), (1266, 782838), (1308, 757701), (1477, 671004), (1526, 649458), (1539, 643972), (1596, 620973), (1899, 521892), (1962, 505134), (2052, 482979), (2071, 478548), (2268, 436981), (2289, 432972), (2394, 413982), (2532, 391419), (2943, 336756), (2954, 335502), (3052, 324729), (3078, 321986), (3591, 275988), (3798, 260946), (3924, 252567), (4009, 247212), (4142, 239274), (4431, 223668), (4578, 216486), (4788, 206991), (5697, 173964), (5886, 168378), (5908, 167751), (6156, 160993), (6213, 159516), (6867, 144324), (7182, 137994), (7596, 130473), (8018, 123606), (8284, 119637), (8829, 112252), (8862, 111834), (9156, 108243), (10773, 91996), (11394, 86982), (11772, 84189), (12027, 82404), (12426, 79758), (13293, 74556), (13734, 72162), (14364, 68997), (14497, 68364), (16036, 61803), (17091, 57988), (17658, 56126), (17724, 55917), (18639, 53172), (20601, 48108), (21546, 45998), (22788, 43491), (22999, 43092), (24054, 41202), (24852, 39879), (26586, 37278), (27468, 36081), (28063, 35316), (28994, 34182)]