66480905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 88560000

約数和(自身を除く): 22079095

約数列:

[1, 5, 19, 29, 59, 95, 145, 295, 409, 551, 1121, 1711, 2045, 2755, 5605, 7771, 8555, 11861, 24131, 32509, 38855, 59305, 120655, 162545, 225359, 458489, 699799, 1126795, 2292445, 3498995, 13296181, 66480905]

約数ペア:

[(1, 66480905), (5, 13296181), (19, 3498995), (29, 2292445), (59, 1126795), (95, 699799), (145, 458489), (295, 225359), (409, 162545), (551, 120655), (1121, 59305), (1711, 38855), (2045, 32509), (2755, 24131), (5605, 11861), (7771, 8555)]