130861409

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{43781}}^1$

素因数の和:43856

約数の個数: 12

約数和(自身を含む): 154725588

約数和(自身を除く): 23864179

約数列:

[1, 7, 49, 61, 427, 2989, 43781, 306467, 2145269, 2670641, 18694487, 130861409]

約数ペア:

[(1, 130861409), (7, 18694487), (49, 2670641), (61, 2145269), (427, 306467), (2989, 43781)]