28049684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 54858048

約数和(自身を除く): 26808364

約数列:

[1, 2, 4, 13, 26, 52, 67, 83, 97, 134, 166, 194, 268, 332, 388, 871, 1079, 1261, 1742, 2158, 2522, 3484, 4316, 5044, 5561, 6499, 8051, 11122, 12998, 16102, 22244, 25996, 32204, 72293, 84487, 104663, 144586, 168974, 209326, 289172, 337948, 418652, 539417, 1078834, 2157668, 7012421, 14024842, 28049684]

約数ペア:

[(1, 28049684), (2, 14024842), (4, 7012421), (13, 2157668), (26, 1078834), (52, 539417), (67, 418652), (83, 337948), (97, 289172), (134, 209326), (166, 168974), (194, 144586), (268, 104663), (332, 84487), (388, 72293), (871, 32204), (1079, 25996), (1261, 22244), (1742, 16102), (2158, 12998), (2522, 11122), (3484, 8051), (4316, 6499), (5044, 5561)]