31487790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14783}}^1$

素因数の和:14864

約数の個数: 32

約数和(自身を含む): 76640256

約数和(自身を除く): 45152466

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 14783, 29566, 44349, 73915, 88698, 147830, 221745, 443490, 1049593, 2099186, 3148779, 5247965, 6297558, 10495930, 15743895, 31487790]

約数ペア:

[(1, 31487790), (2, 15743895), (3, 10495930), (5, 6297558), (6, 5247965), (10, 3148779), (15, 2099186), (30, 1049593), (71, 443490), (142, 221745), (213, 147830), (355, 88698), (426, 73915), (710, 44349), (1065, 29566), (2130, 14783)]