261124487

素因数分解:

${\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1\times {\mathrm{839}}^1$

素因数の和:1210

約数の個数: 16

約数和(自身を含む): 285768000

約数和(自身を除く): 24643513

約数列:

[1, 13, 89, 269, 839, 1157, 3497, 10907, 23941, 74671, 225691, 311233, 970723, 2933983, 20086499, 261124487]

約数ペア:

[(1, 261124487), (13, 20086499), (89, 2933983), (269, 970723), (839, 311233), (1157, 225691), (3497, 74671), (10907, 23941)]