87009406

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{257}}^1\times {\mathrm{1399}}^1$

素因数の和:1680

約数の個数: 24

約数和(自身を含む): 144118800

約数和(自身を除く): 57109394

約数列:

[1, 2, 11, 22, 121, 242, 257, 514, 1399, 2798, 2827, 5654, 15389, 30778, 31097, 62194, 169279, 338558, 359543, 719086, 3954973, 7909946, 43504703, 87009406]

約数ペア:

[(1, 87009406), (2, 43504703), (11, 7909946), (22, 3954973), (121, 719086), (242, 359543), (257, 338558), (514, 169279), (1399, 62194), (2798, 31097), (2827, 30778), (5654, 15389)]