201388816

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{206341}}^1$

素因数の和:206410

約数の個数: 20

約数和(自身を含む): 396589324

約数和(自身を除く): 195200508

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 206341, 412682, 825364, 1650728, 3301456, 12586801, 25173602, 50347204, 100694408, 201388816]

約数ペア:

[(1, 201388816), (2, 100694408), (4, 50347204), (8, 25173602), (16, 12586801), (61, 3301456), (122, 1650728), (244, 825364), (488, 412682), (976, 206341)]