64418263

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1549}}^1$

素因数の和:2026

約数の個数: 16

約数和(自身を含む): 79508800

約数和(自身を除く): 15090537

約数列:

[1, 7, 13, 91, 457, 1549, 3199, 5941, 10843, 20137, 41587, 140959, 707893, 4955251, 9202609, 64418263]

約数ペア:

[(1, 64418263), (7, 9202609), (13, 4955251), (91, 707893), (457, 140959), (1549, 41587), (3199, 20137), (5941, 10843)]