68489239

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:847

約数の個数: 32

約数和(自身を含む): 90123264

約数和(自身を除く): 21634025

約数列:

[1, 7, 13, 23, 43, 91, 161, 299, 301, 559, 761, 989, 2093, 3913, 5327, 6923, 9893, 12857, 17503, 32723, 69251, 89999, 122521, 227539, 229061, 425399, 752629, 1592773, 2977793, 5268403, 9784177, 68489239]

約数ペア:

[(1, 68489239), (7, 9784177), (13, 5268403), (23, 2977793), (43, 1592773), (91, 752629), (161, 425399), (299, 229061), (301, 227539), (559, 122521), (761, 89999), (989, 69251), (2093, 32723), (3913, 17503), (5327, 12857), (6923, 9893)]