201620268655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{12517}}^1\times {\mathrm{247811}}^1$

素因数の和:260346

約数の個数: 16

約数和(自身を含む): 260577291744

約数和(自身を除く): 58957023089

約数列:

[1, 5, 13, 65, 12517, 62585, 162721, 247811, 813605, 1239055, 3221543, 16107715, 3101850287, 15509251435, 40324053731, 201620268655]

約数ペア:

[(1, 201620268655), (5, 40324053731), (13, 15509251435), (65, 3101850287), (12517, 16107715), (62585, 3221543), (162721, 1239055), (247811, 813605)]