77998991

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{3001}}^1$

素因数の和:3134

約数の個数: 16

約数和(自身を含む): 92221440

約数和(自身を除く): 14222449

約数列:

[1, 7, 47, 79, 329, 553, 3001, 3713, 21007, 25991, 141047, 237079, 987329, 1659553, 11142713, 77998991]

約数ペア:

[(1, 77998991), (7, 11142713), (47, 1659553), (79, 987329), (329, 237079), (553, 141047), (3001, 25991), (3713, 21007)]