138367789

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{4721}}^1$

素因数の和:4860

約数の個数: 16

約数和(自身を含む): 163192320

約数和(自身を除く): 24824531

約数列:

[1, 7, 53, 79, 371, 553, 4187, 4721, 29309, 33047, 250213, 372959, 1751491, 2610713, 19766827, 138367789]

約数ペア:

[(1, 138367789), (7, 19766827), (53, 2610713), (79, 1751491), (371, 372959), (553, 250213), (4187, 33047), (4721, 29309)]