131212690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{267781}}^1$

素因数の和:267802

約数の個数: 24

約数和(自身を含む): 274744332

約数和(自身を除く): 143531642

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 267781, 535562, 1338905, 1874467, 2677810, 3748934, 9372335, 13121269, 18744670, 26242538, 65606345, 131212690]

約数ペア:

[(1, 131212690), (2, 65606345), (5, 26242538), (7, 18744670), (10, 13121269), (14, 9372335), (35, 3748934), (49, 2677810), (70, 1874467), (98, 1338905), (245, 535562), (490, 267781)]