71729028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 222243840

約数和(自身を除く): 150514812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 71, 76, 84, 114, 126, 133, 142, 171, 211, 213, 228, 252, 266, 284, 342, 399, 422, 426, 497, 532, 633, 639, 684, 798, 844, 852, 994, 1197, 1266, 1278, 1349, 1477, 1491, 1596, 1899, 1988, 2394, 2532, 2556, 2698, 2954, 2982, 3798, 4009, 4047, 4431, 4473, 4788, 5396, 5908, 5964, 7596, 8018, 8094, 8862, 8946, 9443, 12027, 12141, 13293, 14981, 16036, 16188, 17724, 17892, 18886, 24054, 24282, 26586, 28063, 28329, 29962, 36081, 37772, 44943, 48108, 48564, 53172, 56126, 56658, 59924, 72162, 84189, 84987, 89886, 104867, 112252, 113316, 134829, 144324, 168378, 169974, 179772, 209734, 252567, 269658, 284639, 314601, 336756, 339948, 419468, 505134, 539316, 569278, 629202, 853917, 943803, 1010268, 1138556, 1258404, 1707834, 1887606, 1992473, 2561751, 3415668, 3775212, 3984946, 5123502, 5977419, 7969892, 10247004, 11954838, 17932257, 23909676, 35864514, 71729028]

約数ペア:

[(1, 71729028), (2, 35864514), (3, 23909676), (4, 17932257), (6, 11954838), (7, 10247004), (9, 7969892), (12, 5977419), (14, 5123502), (18, 3984946), (19, 3775212), (21, 3415668), (28, 2561751), (36, 1992473), (38, 1887606), (42, 1707834), (57, 1258404), (63, 1138556), (71, 1010268), (76, 943803), (84, 853917), (114, 629202), (126, 569278), (133, 539316), (142, 505134), (171, 419468), (211, 339948), (213, 336756), (228, 314601), (252, 284639), (266, 269658), (284, 252567), (342, 209734), (399, 179772), (422, 169974), (426, 168378), (497, 144324), (532, 134829), (633, 113316), (639, 112252), (684, 104867), (798, 89886), (844, 84987), (852, 84189), (994, 72162), (1197, 59924), (1266, 56658), (1278, 56126), (1349, 53172), (1477, 48564), (1491, 48108), (1596, 44943), (1899, 37772), (1988, 36081), (2394, 29962), (2532, 28329), (2556, 28063), (2698, 26586), (2954, 24282), (2982, 24054), (3798, 18886), (4009, 17892), (4047, 17724), (4431, 16188), (4473, 16036), (4788, 14981), (5396, 13293), (5908, 12141), (5964, 12027), (7596, 9443), (8018, 8946), (8094, 8862)]