2221864561

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1\times {\mathrm{26387}}^1$

素因数の和:26940

約数の個数: 16

約数和(自身を含む): 2654843904

約数和(自身を除く): 432979343

約数列:

[1, 7, 23, 161, 523, 3661, 12029, 26387, 84203, 184709, 606901, 4248307, 13800401, 96602807, 317409223, 2221864561]

約数ペア:

[(1, 2221864561), (7, 317409223), (23, 96602807), (161, 13800401), (523, 4248307), (3661, 606901), (12029, 184709), (26387, 84203)]