664381439

素因数分解:

${\mathrm{61}}^1\times {\mathrm{1621}}^1\times {\mathrm{6719}}^1$

素因数の和:8401

約数の個数: 8

約数和(自身を含む): 675790080

約数和(自身を除く): 11408641

約数列:

[1, 61, 1621, 6719, 98881, 409859, 10891499, 664381439]

約数ペア:

[(1, 664381439), (61, 10891499), (1621, 409859), (6719, 98881)]