201991256

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{615827}}^1$

素因数の和:615874

約数の個数: 16

約数和(自身を含む): 387971640

約数和(自身を除く): 185980384

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 615827, 1231654, 2463308, 4926616, 25248907, 50497814, 100995628, 201991256]

約数ペア:

[(1, 201991256), (2, 100995628), (4, 50497814), (8, 25248907), (41, 4926616), (82, 2463308), (164, 1231654), (328, 615827)]