864216970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1217207}}^1$

素因数の和:1217285

約数の個数: 16

約数和(自身を含む): 1577501568

約数和(自身を除く): 713284598

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1217207, 2434414, 6086035, 12172070, 86421697, 172843394, 432108485, 864216970]

約数ペア:

[(1, 864216970), (2, 432108485), (5, 172843394), (10, 86421697), (71, 12172070), (142, 6086035), (355, 2434414), (710, 1217207)]