81490798

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{10103}}^1$

素因数の和:10251

約数の個数: 16

約数和(自身を含む): 126704160

約数和(自身を除く): 45213362

約数列:

[1, 2, 37, 74, 109, 218, 4033, 8066, 10103, 20206, 373811, 747622, 1101227, 2202454, 40745399, 81490798]

約数ペア:

[(1, 81490798), (2, 40745399), (37, 2202454), (74, 1101227), (109, 747622), (218, 373811), (4033, 20206), (8066, 10103)]