68981423

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{2213}}^1$

素因数の和:2354

約数の個数: 16

約数和(自身を含む): 81262656

約数和(自身を除く): 12281233

約数列:

[1, 7, 61, 73, 427, 511, 2213, 4453, 15491, 31171, 134993, 161549, 944951, 1130843, 9854489, 68981423]

約数ペア:

[(1, 68981423), (7, 9854489), (61, 1130843), (73, 944951), (427, 161549), (511, 134993), (2213, 31171), (4453, 15491)]