123118261

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{887}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 143216640

約数和(自身を除く): 20098379

約数列:

[1, 7, 79, 251, 553, 887, 1757, 6209, 19829, 70073, 138803, 222637, 490511, 1558459, 17588323, 123118261]

約数ペア:

[(1, 123118261), (7, 17588323), (79, 1558459), (251, 490511), (553, 222637), (887, 138803), (1757, 70073), (6209, 19829)]