2210221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 16

約数和(自身を含む): 2573424

約数和(自身を除く): 363203

約数列:

[1, 13, 17, 73, 137, 221, 949, 1241, 1781, 2329, 10001, 16133, 30277, 130013, 170017, 2210221]

約数ペア:

[(1, 2210221), (13, 170017), (17, 130013), (73, 30277), (137, 16133), (221, 10001), (949, 2329), (1241, 1781)]