81613306856

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{25440557}}^1$

素因数の和:25440964

約数の個数: 16

約数和(自身を含む): 153406564740

約数和(自身を除く): 71793257884

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 25440557, 50881114, 101762228, 203524456, 10201663357, 20403326714, 40806653428, 81613306856]

約数ペア:

[(1, 81613306856), (2, 40806653428), (4, 20403326714), (8, 10201663357), (401, 203524456), (802, 101762228), (1604, 50881114), (3208, 25440557)]