13249885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 18911232

約数和(自身を除く): 5661347

約数列:

[1, 5, 11, 17, 37, 55, 85, 185, 187, 383, 407, 629, 935, 1915, 2035, 3145, 4213, 6511, 6919, 14171, 21065, 32555, 34595, 70855, 71621, 155881, 240907, 358105, 779405, 1204535, 2649977, 13249885]

約数ペア:

[(1, 13249885), (5, 2649977), (11, 1204535), (17, 779405), (37, 358105), (55, 240907), (85, 155881), (185, 71621), (187, 70855), (383, 34595), (407, 32555), (629, 21065), (935, 14171), (1915, 6919), (2035, 6511), (3145, 4213)]