81387272

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{274957}}^1$

素因数の和:275000

約数の個数: 16

約数和(自身を含む): 156726060

約数和(自身を除く): 75338788

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 274957, 549914, 1099828, 2199656, 10173409, 20346818, 40693636, 81387272]

約数ペア:

[(1, 81387272), (2, 40693636), (4, 20346818), (8, 10173409), (37, 2199656), (74, 1099828), (148, 549914), (296, 274957)]