181657216

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{109169}}^1$

素因数の和:109196

約数の個数: 32

約数和(自身を含む): 389736900

約数和(自身を除く): 208079684

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 109169, 218338, 436676, 873352, 1419197, 1746704, 2838394, 3493408, 5676788, 6986816, 11353576, 13973632, 22707152, 45414304, 90828608, 181657216]

約数ペア:

[(1, 181657216), (2, 90828608), (4, 45414304), (8, 22707152), (13, 13973632), (16, 11353576), (26, 6986816), (32, 5676788), (52, 3493408), (64, 2838394), (104, 1746704), (128, 1419197), (208, 873352), (416, 436676), (832, 218338), (1664, 109169)]