399070981195

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{3557}}^1\times {\mathrm{316037}}^1$

素因数の和:319670

約数の個数: 16

約数和(自身を含む): 485768104128

約数和(自身を除く): 86697122933

約数列:

[1, 5, 71, 355, 3557, 17785, 252547, 316037, 1262735, 1580185, 22438627, 112193135, 1124143609, 5620718045, 79814196239, 399070981195]

約数ペア:

[(1, 399070981195), (5, 79814196239), (71, 5620718045), (355, 1124143609), (3557, 112193135), (17785, 22438627), (252547, 1580185), (316037, 1262735)]