80678806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{19037}}^1$

素因数の和:19215

約数の個数: 16

約数和(自身を含む): 131133744

約数和(自身を除く): 50454938

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 19037, 38074, 247481, 494962, 3103031, 6206062, 40339403, 80678806]

約数ペア:

[(1, 80678806), (2, 40339403), (13, 6206062), (26, 3103031), (163, 494962), (326, 247481), (2119, 38074), (4238, 19037)]