1241212895

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{31253}}^1$

素因数の和:31331

約数の個数: 24

約数和(自身を含む): 1647210816

約数和(自身を除く): 405997921

約数列:

[1, 5, 13, 47, 65, 169, 235, 611, 845, 3055, 7943, 31253, 39715, 156265, 406289, 1468891, 2031445, 5281757, 7344455, 19095583, 26408785, 95477915, 248242579, 1241212895]

約数ペア:

[(1, 1241212895), (5, 248242579), (13, 95477915), (47, 26408785), (65, 19095583), (169, 7344455), (235, 5281757), (611, 2031445), (845, 1468891), (3055, 406289), (7943, 156265), (31253, 39715)]