199767808

素因数分解:

$2^8\times {\mathrm{780343}}^1$

素因数の和:780359

約数の個数: 18

約数和(自身を含む): 398755784

約数和(自身を除く): 198987976

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 780343, 1560686, 3121372, 6242744, 12485488, 24970976, 49941952, 99883904, 199767808]

約数ペア:

[(1, 199767808), (2, 99883904), (4, 49941952), (8, 24970976), (16, 12485488), (32, 6242744), (64, 3121372), (128, 1560686), (256, 780343)]