289331357

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{4157}}^1$

素因数の和:4388

約数の個数: 16

約数和(自身を含む): 338228352

約数和(自身を除く): 48896995

約数列:

[1, 7, 61, 163, 427, 1141, 4157, 9943, 29099, 69601, 253577, 677591, 1775039, 4743137, 41333051, 289331357]

約数ペア:

[(1, 289331357), (7, 41333051), (61, 4743137), (163, 1775039), (427, 677591), (1141, 253577), (4157, 69601), (9943, 29099)]