258042239

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 324817920

約数和(自身を除く): 66775681

約数列:

[1, 7, 13, 89, 91, 151, 211, 623, 1057, 1157, 1477, 1963, 2743, 8099, 13439, 13741, 18779, 19201, 31861, 94073, 131453, 174707, 223027, 244127, 414193, 1222949, 1708889, 2835629, 2899351, 19849403, 36863177, 258042239]

約数ペア:

[(1, 258042239), (7, 36863177), (13, 19849403), (89, 2899351), (91, 2835629), (151, 1708889), (211, 1222949), (623, 414193), (1057, 244127), (1157, 223027), (1477, 174707), (1963, 131453), (2743, 94073), (8099, 31861), (13439, 19201), (13741, 18779)]