12961781

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2377}}^1$

素因数の和:2444

約数の個数: 16

約数和(自身を含む): 15980160

約数和(自身を除く): 3018379

約数列:

[1, 7, 19, 41, 133, 287, 779, 2377, 5453, 16639, 45163, 97457, 316141, 682199, 1851683, 12961781]

約数ペア:

[(1, 12961781), (7, 1851683), (19, 682199), (41, 316141), (133, 97457), (287, 45163), (779, 16639), (2377, 5453)]