128579545

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{23789}}^1$

素因数の和:23864

約数の個数: 16

約数和(自身を含む): 164436480

約数和(自身を除く): 35856935

約数列:

[1, 5, 23, 47, 115, 235, 1081, 5405, 23789, 118945, 547147, 1118083, 2735735, 5590415, 25715909, 128579545]

約数ペア:

[(1, 128579545), (5, 25715909), (23, 5590415), (47, 2735735), (115, 1118083), (235, 547147), (1081, 118945), (5405, 23789)]