128861204

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{449}}^1\times {\mathrm{457}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 227946600

約数和(自身を除く): 99085396

約数列:

[1, 2, 4, 157, 314, 449, 457, 628, 898, 914, 1796, 1828, 70493, 71749, 140986, 143498, 205193, 281972, 286996, 410386, 820772, 32215301, 64430602, 128861204]

約数ペア:

[(1, 128861204), (2, 64430602), (4, 32215301), (157, 820772), (314, 410386), (449, 286996), (457, 281972), (628, 205193), (898, 143498), (914, 140986), (1796, 71749), (1828, 70493)]