217479436

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{419}}^1\times {\mathrm{449}}^1$

素因数の和:906

約数の個数: 36

約数和(自身を含む): 406161000

約数和(自身を除く): 188681564

約数列:

[1, 2, 4, 17, 34, 68, 289, 419, 449, 578, 838, 898, 1156, 1676, 1796, 7123, 7633, 14246, 15266, 28492, 30532, 121091, 129761, 188131, 242182, 259522, 376262, 484364, 519044, 752524, 3198227, 6396454, 12792908, 54369859, 108739718, 217479436]

約数ペア:

[(1, 217479436), (2, 108739718), (4, 54369859), (17, 12792908), (34, 6396454), (68, 3198227), (289, 752524), (419, 519044), (449, 484364), (578, 376262), (838, 259522), (898, 242182), (1156, 188131), (1676, 129761), (1796, 121091), (7123, 30532), (7633, 28492), (14246, 15266)]