64428497

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 78145536

約数和(自身を除く): 13717039

約数列:

[1, 7, 23, 127, 137, 161, 529, 889, 959, 2921, 3151, 3703, 17399, 20447, 22057, 67183, 72473, 121793, 400177, 470281, 507311, 2801239, 9204071, 64428497]

約数ペア:

[(1, 64428497), (7, 9204071), (23, 2801239), (127, 507311), (137, 470281), (161, 400177), (529, 121793), (889, 72473), (959, 67183), (2921, 22057), (3151, 20447), (3703, 17399)]