12690778

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{541}}^1$

素因数の和:897

約数の個数: 16

約数和(自身を含む): 19648584

約数和(自身を除く): 6957806

約数列:

[1, 2, 37, 74, 317, 541, 634, 1082, 11729, 20017, 23458, 40034, 171497, 342994, 6345389, 12690778]

約数ペア:

[(1, 12690778), (2, 6345389), (37, 342994), (74, 171497), (317, 40034), (541, 23458), (634, 20017), (1082, 11729)]