1213317505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{285151}}^1$

素因数の和:285216

約数の個数: 16

約数和(自身を含む): 1560351744

約数和(自身を除く): 347034239

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 285151, 1425755, 6558473, 10550587, 32792365, 52752935, 242663501, 1213317505]

約数ペア:

[(1, 1213317505), (5, 242663501), (23, 52752935), (37, 32792365), (115, 10550587), (185, 6558473), (851, 1425755), (4255, 285151)]