397210362655

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{787}}^1\times {\mathrm{12973}}^1$

素因数の和:14047

約数の個数: 32

約数和(自身を含む): 494654404608

約数和(自身を除く): 97444041953

約数列:

[1, 5, 31, 155, 251, 787, 1255, 3935, 7781, 12973, 24397, 38905, 64865, 121985, 197537, 402163, 987685, 2010815, 3256223, 6123647, 10209751, 16281115, 30618235, 51048755, 100942913, 316502281, 504714565, 1582511405, 2562647501, 12813237505, 79442072531, 397210362655]

約数ペア:

[(1, 397210362655), (5, 79442072531), (31, 12813237505), (155, 2562647501), (251, 1582511405), (787, 504714565), (1255, 316502281), (3935, 100942913), (7781, 51048755), (12973, 30618235), (24397, 16281115), (38905, 10209751), (64865, 6123647), (121985, 3256223), (197537, 2010815), (402163, 987685)]