6620690

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4217}}^1$

素因数の和:4381

約数の個数: 16

約数和(自身を含む): 11995992

約数和(自身を除く): 5375302

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 4217, 8434, 21085, 42170, 662069, 1324138, 3310345, 6620690]

約数ペア:

[(1, 6620690), (2, 3310345), (5, 1324138), (10, 662069), (157, 42170), (314, 21085), (785, 8434), (1570, 4217)]