8990384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43223}}^1$

素因数の和:43244

約数の個数: 20

約数和(自身を含む): 18759216

約数和(自身を除く): 9768832

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 43223, 86446, 172892, 345784, 561899, 691568, 1123798, 2247596, 4495192, 8990384]

約数ペア:

[(1, 8990384), (2, 4495192), (4, 2247596), (8, 1123798), (13, 691568), (16, 561899), (26, 345784), (52, 172892), (104, 86446), (208, 43223)]