387842882

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{2861}}^1$

素因数の和:3314

約数の個数: 32

約数和(自身を含む): 695672064

約数和(自身を除く): 307829182

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 421, 842, 2861, 2947, 5722, 5894, 9683, 19366, 20027, 40054, 65803, 67781, 131606, 135562, 460621, 921242, 1204481, 2408962, 8431367, 16862734, 27703063, 55406126, 193921441, 387842882]

約数ペア:

[(1, 387842882), (2, 193921441), (7, 55406126), (14, 27703063), (23, 16862734), (46, 8431367), (161, 2408962), (322, 1204481), (421, 921242), (842, 460621), (2861, 135562), (2947, 131606), (5722, 67781), (5894, 65803), (9683, 40054), (19366, 20027)]