81369266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:658

約数の個数: 32

約数和(自身を含む): 136515456

約数和(自身を除く): 55146190

約数列:

[1, 2, 11, 22, 71, 113, 142, 226, 461, 781, 922, 1243, 1562, 2486, 5071, 8023, 10142, 16046, 32731, 52093, 65462, 88253, 104186, 176506, 360041, 573023, 720082, 1146046, 3698603, 7397206, 40684633, 81369266]

約数ペア:

[(1, 81369266), (2, 40684633), (11, 7397206), (22, 3698603), (71, 1146046), (113, 720082), (142, 573023), (226, 360041), (461, 176506), (781, 104186), (922, 88253), (1243, 65462), (1562, 52093), (2486, 32731), (5071, 16046), (8023, 10142)]