1291611775

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{409}}^1\times {\mathrm{2141}}^1$

素因数の和:2619

約数の個数: 24

約数和(自身を含む): 1633489200

約数和(自身を除く): 341877425

約数列:

[1, 5, 25, 59, 295, 409, 1475, 2045, 2141, 10225, 10705, 24131, 53525, 120655, 126319, 603275, 631595, 875669, 3157975, 4378345, 21891725, 51664471, 258322355, 1291611775]

約数ペア:

[(1, 1291611775), (5, 258322355), (25, 51664471), (59, 21891725), (295, 4378345), (409, 3157975), (1475, 875669), (2045, 631595), (2141, 603275), (10225, 126319), (10705, 120655), (24131, 53525)]