720392

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{5297}}^1$

素因数の和:5320

約数の個数: 16

約数和(自身を含む): 1430460

約数和(自身を除く): 710068

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 5297, 10594, 21188, 42376, 90049, 180098, 360196, 720392]

約数ペア:

[(1, 720392), (2, 360196), (4, 180098), (8, 90049), (17, 42376), (34, 21188), (68, 10594), (136, 5297)]