85780492

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{709}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 178920000

約数和(自身を除く): 93139508

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 149, 203, 298, 406, 596, 709, 812, 1043, 1418, 2086, 2836, 4172, 4321, 4963, 8642, 9926, 17284, 19852, 20561, 30247, 41122, 60494, 82244, 105641, 120988, 143927, 211282, 287854, 422564, 575708, 739487, 1478974, 2957948, 3063589, 6127178, 12254356, 21445123, 42890246, 85780492]

約数ペア:

[(1, 85780492), (2, 42890246), (4, 21445123), (7, 12254356), (14, 6127178), (28, 3063589), (29, 2957948), (58, 1478974), (116, 739487), (149, 575708), (203, 422564), (298, 287854), (406, 211282), (596, 143927), (709, 120988), (812, 105641), (1043, 82244), (1418, 60494), (2086, 41122), (2836, 30247), (4172, 20561), (4321, 19852), (4963, 17284), (8642, 9926)]