81900532

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 167932800

約数和(自身を除く): 86032268

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 149, 268, 293, 298, 469, 586, 596, 938, 1043, 1172, 1876, 2051, 2086, 4102, 4172, 8204, 9983, 19631, 19966, 39262, 39932, 43657, 69881, 78524, 87314, 137417, 139762, 174628, 274834, 279524, 305599, 549668, 611198, 1222396, 2925019, 5850038, 11700076, 20475133, 40950266, 81900532]

約数ペア:

[(1, 81900532), (2, 40950266), (4, 20475133), (7, 11700076), (14, 5850038), (28, 2925019), (67, 1222396), (134, 611198), (149, 549668), (268, 305599), (293, 279524), (298, 274834), (469, 174628), (586, 139762), (596, 137417), (938, 87314), (1043, 78524), (1172, 69881), (1876, 43657), (2051, 39932), (2086, 39262), (4102, 19966), (4172, 19631), (8204, 9983)]