2221021825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{8076443}}^1$

素因数の和:8076464

約数の個数: 12

約数和(自身を含む): 3004437168

約数和(自身を除く): 783415343

約数列:

[1, 5, 11, 25, 55, 275, 8076443, 40382215, 88840873, 201911075, 444204365, 2221021825]

約数ペア:

[(1, 2221021825), (5, 444204365), (11, 201911075), (25, 88840873), (55, 40382215), (275, 8076443)]