642460895

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{58379}}^1$

素因数の和:58486

約数の個数: 16

約数和(自身を含む): 807045120

約数和(自身を除く): 164584225

約数列:

[1, 5, 31, 71, 155, 355, 2201, 11005, 58379, 291895, 1809749, 4144909, 9048745, 20724545, 128492179, 642460895]

約数ペア:

[(1, 642460895), (5, 128492179), (31, 20724545), (71, 9048745), (155, 4144909), (355, 1809749), (2201, 291895), (11005, 58379)]