865156970

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1\times {\mathrm{787}}^1$

素因数の和:1526

約数の個数: 32

約数和(自身を含む): 1569658176

約数和(自身を除く): 704501206

約数列:

[1, 2, 5, 10, 211, 422, 521, 787, 1042, 1055, 1574, 2110, 2605, 3935, 5210, 7870, 109931, 166057, 219862, 332114, 410027, 549655, 820054, 830285, 1099310, 1660570, 2050135, 4100270, 86515697, 173031394, 432578485, 865156970]

約数ペア:

[(1, 865156970), (2, 432578485), (5, 173031394), (10, 86515697), (211, 4100270), (422, 2050135), (521, 1660570), (787, 1099310), (1042, 830285), (1055, 820054), (1574, 549655), (2110, 410027), (2605, 332114), (3935, 219862), (5210, 166057), (7870, 109931)]