25729438

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 46080000

約数和(自身を除く): 20350562

約数列:

[1, 2, 7, 14, 29, 58, 127, 203, 254, 406, 499, 889, 998, 1778, 3493, 3683, 6986, 7366, 14471, 25781, 28942, 51562, 63373, 101297, 126746, 202594, 443611, 887222, 1837817, 3675634, 12864719, 25729438]

約数ペア:

[(1, 25729438), (2, 12864719), (7, 3675634), (14, 1837817), (29, 887222), (58, 443611), (127, 202594), (203, 126746), (254, 101297), (406, 63373), (499, 51562), (889, 28942), (998, 25781), (1778, 14471), (3493, 7366), (3683, 6986)]