621426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 1387008

約数和(自身を除く): 765582

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 257, 403, 514, 771, 806, 1209, 1542, 2418, 3341, 6682, 7967, 10023, 15934, 20046, 23901, 47802, 103571, 207142, 310713, 621426]

約数ペア:

[(1, 621426), (2, 310713), (3, 207142), (6, 103571), (13, 47802), (26, 23901), (31, 20046), (39, 15934), (62, 10023), (78, 7967), (93, 6682), (186, 3341), (257, 2418), (403, 1542), (514, 1209), (771, 806)]