25805406

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{390991}}^1$

素因数の和:391007

約数の個数: 16

約数和(自身を含む): 56302848

約数和(自身を除く): 30497442

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 390991, 781982, 1172973, 2345946, 4300901, 8601802, 12902703, 25805406]

約数ペア:

[(1, 25805406), (2, 12902703), (3, 8601802), (6, 4300901), (11, 2345946), (22, 1172973), (33, 781982), (66, 390991)]