640809002

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{599}}^1\times {\mathrm{3407}}^1$

素因数の和:4165

約数の個数: 16

約数和(自身を含む): 969235200

約数和(自身を除く): 328426198

約数列:

[1, 2, 157, 314, 599, 1198, 3407, 6814, 94043, 188086, 534899, 1069798, 2040793, 4081586, 320404501, 640809002]

約数ペア:

[(1, 640809002), (2, 320404501), (157, 4081586), (314, 2040793), (599, 1069798), (1198, 534899), (3407, 188086), (6814, 94043)]