257185922

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{1831}}^1$

素因数の和:2046

約数の個数: 32

約数和(自身を含む): 450232320

約数和(自身を除く): 193046398

約数列:

[1, 2, 7, 14, 79, 127, 158, 254, 553, 889, 1106, 1778, 1831, 3662, 10033, 12817, 20066, 25634, 70231, 140462, 144649, 232537, 289298, 465074, 1012543, 1627759, 2025086, 3255518, 18370423, 36740846, 128592961, 257185922]

約数ペア:

[(1, 257185922), (2, 128592961), (7, 36740846), (14, 18370423), (79, 3255518), (127, 2025086), (158, 1627759), (254, 1012543), (553, 465074), (889, 289298), (1106, 232537), (1778, 144649), (1831, 140462), (3662, 70231), (10033, 25634), (12817, 20066)]