313376432

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{455489}}^1$

素因数の和:455540

約数の個数: 20

約数和(自身を含む): 621288360

約数和(自身を除く): 307911928

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 455489, 910978, 1821956, 3643912, 7287824, 19586027, 39172054, 78344108, 156688216, 313376432]

約数ペア:

[(1, 313376432), (2, 156688216), (4, 78344108), (8, 39172054), (16, 19586027), (43, 7287824), (86, 3643912), (172, 1821956), (344, 910978), (688, 455489)]