668811536

素因数分解:

$2^4\times {\mathrm{1399}}^1\times {\mathrm{29879}}^1$

素因数の和:31286

約数の個数: 20

約数和(自身を含む): 1296792000

約数和(自身を除く): 627980464

約数列:

[1, 2, 4, 8, 16, 1399, 2798, 5596, 11192, 22384, 29879, 59758, 119516, 239032, 478064, 41800721, 83601442, 167202884, 334405768, 668811536]

約数ペア:

[(1, 668811536), (2, 334405768), (4, 167202884), (8, 83601442), (16, 41800721), (1399, 478064), (2798, 239032), (5596, 119516), (11192, 59758), (22384, 29879)]