490178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1109}}^1$

素因数の和:1141

約数の個数: 16

約数和(自身を含む): 839160

約数和(自身を除く): 348982

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 1109, 2218, 14417, 18853, 28834, 37706, 245089, 490178]

約数ペア:

[(1, 490178), (2, 245089), (13, 37706), (17, 28834), (26, 18853), (34, 14417), (221, 2218), (442, 1109)]