639296063

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{10477}}^1$

素因数の和:10886

約数の個数: 16

約数和(自身を含む): 764474880

約数和(自身を除く): 125178817

約数列:

[1, 7, 23, 161, 379, 2653, 8717, 10477, 61019, 73339, 240971, 1686797, 3970783, 27795481, 91328009, 639296063]

約数ペア:

[(1, 639296063), (7, 91328009), (23, 27795481), (161, 3970783), (379, 1686797), (2653, 240971), (8717, 73339), (10477, 61019)]