668819792

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1348427}}^1$

素因数の和:1348466

約数の個数: 20

約数和(自身を含む): 1337640576

約数和(自身を除く): 668820784

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1348427, 2696854, 5393708, 10787416, 21574832, 41801237, 83602474, 167204948, 334409896, 668819792]

約数ペア:

[(1, 668819792), (2, 334409896), (4, 167204948), (8, 83602474), (16, 41801237), (31, 21574832), (62, 10787416), (124, 5393708), (248, 2696854), (496, 1348427)]