571138490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{31607}}^1$

素因数の和:31766

約数の個数: 32

約数和(自身を含む): 1115130240

約数和(自身を除く): 543991750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 3614, 9035, 18070, 31607, 63214, 158035, 316070, 410891, 821782, 2054455, 4108910, 4393373, 8786746, 21966865, 43933730, 57113849, 114227698, 285569245, 571138490]

約数ペア:

[(1, 571138490), (2, 285569245), (5, 114227698), (10, 57113849), (13, 43933730), (26, 21966865), (65, 8786746), (130, 4393373), (139, 4108910), (278, 2054455), (695, 821782), (1390, 410891), (1807, 316070), (3614, 158035), (9035, 63214), (18070, 31607)]