997884972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2137}}^1$

素因数の和:2280

約数の個数: 144

約数和(自身を含む): 3081798720

約数和(自身を除く): 2083913748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 109, 119, 126, 153, 204, 218, 238, 252, 306, 327, 357, 436, 476, 612, 654, 714, 763, 981, 1071, 1308, 1428, 1526, 1853, 1962, 2137, 2142, 2289, 3052, 3706, 3924, 4274, 4284, 4578, 5559, 6411, 6867, 7412, 8548, 9156, 11118, 12822, 12971, 13734, 14959, 16677, 19233, 22236, 25644, 25942, 27468, 29918, 33354, 36329, 38466, 38913, 44877, 51884, 59836, 66708, 72658, 76932, 77826, 89754, 108987, 116739, 134631, 145316, 155652, 179508, 217974, 232933, 233478, 254303, 269262, 326961, 435948, 465866, 466956, 508606, 538524, 653922, 698799, 762909, 931732, 1017212, 1307844, 1397598, 1525818, 1630531, 2096397, 2288727, 2795196, 3051636, 3261062, 3959861, 4192794, 4577454, 4891593, 6522124, 7919722, 8385588, 9154908, 9783186, 11879583, 14674779, 15839444, 19566372, 23759166, 27719027, 29349558, 35638749, 47518332, 55438054, 58699116, 71277498, 83157081, 110876108, 142554996, 166314162, 249471243, 332628324, 498942486, 997884972]

約数ペア:

[(1, 997884972), (2, 498942486), (3, 332628324), (4, 249471243), (6, 166314162), (7, 142554996), (9, 110876108), (12, 83157081), (14, 71277498), (17, 58699116), (18, 55438054), (21, 47518332), (28, 35638749), (34, 29349558), (36, 27719027), (42, 23759166), (51, 19566372), (63, 15839444), (68, 14674779), (84, 11879583), (102, 9783186), (109, 9154908), (119, 8385588), (126, 7919722), (153, 6522124), (204, 4891593), (218, 4577454), (238, 4192794), (252, 3959861), (306, 3261062), (327, 3051636), (357, 2795196), (436, 2288727), (476, 2096397), (612, 1630531), (654, 1525818), (714, 1397598), (763, 1307844), (981, 1017212), (1071, 931732), (1308, 762909), (1428, 698799), (1526, 653922), (1853, 538524), (1962, 508606), (2137, 466956), (2142, 465866), (2289, 435948), (3052, 326961), (3706, 269262), (3924, 254303), (4274, 233478), (4284, 232933), (4578, 217974), (5559, 179508), (6411, 155652), (6867, 145316), (7412, 134631), (8548, 116739), (9156, 108987), (11118, 89754), (12822, 77826), (12971, 76932), (13734, 72658), (14959, 66708), (16677, 59836), (19233, 51884), (22236, 44877), (25644, 38913), (25942, 38466), (27468, 36329), (29918, 33354)]