16871239

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 21677328

約数和(自身を除く): 4806089

約数列:

[1, 7, 11, 49, 77, 113, 277, 539, 791, 1243, 1939, 3047, 5537, 8701, 13573, 21329, 31301, 60907, 149303, 219107, 344311, 1533749, 2410177, 16871239]

約数ペア:

[(1, 16871239), (7, 2410177), (11, 1533749), (49, 344311), (77, 219107), (113, 149303), (277, 60907), (539, 31301), (791, 21329), (1243, 13573), (1939, 8701), (3047, 5537)]