31900066

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{33721}}^1$

素因数の和:33777

約数の個数: 16

約数和(自身を含む): 53415648

約数和(自身を除く): 21515582

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 33721, 67442, 370931, 741862, 1450003, 2900006, 15950033, 31900066]

約数ペア:

[(1, 31900066), (2, 15950033), (11, 2900006), (22, 1450003), (43, 741862), (86, 370931), (473, 67442), (946, 33721)]