642366721

素因数分解:

${\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1\times {\mathrm{617}}^1$

素因数の和:1104

約数の個数: 16

約数和(自身を含む): 670703040

約数和(自身を除く): 28336319

約数列:

[1, 41, 67, 379, 617, 2747, 15539, 25297, 25393, 41339, 233843, 1041113, 1694899, 9587563, 15667481, 642366721]

約数ペア:

[(1, 642366721), (41, 15667481), (67, 9587563), (379, 1694899), (617, 1041113), (2747, 233843), (15539, 41339), (25297, 25393)]