221820119

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1307}}^1$

素因数の和:1534

約数の個数: 16

約数和(自身を含む): 238076928

約数和(自身を除く): 16256809

約数列:

[1, 23, 47, 157, 1081, 1307, 3611, 7379, 30061, 61429, 169717, 205199, 1412867, 4719577, 9644353, 221820119]

約数ペア:

[(1, 221820119), (23, 9644353), (47, 4719577), (157, 1412867), (1081, 205199), (1307, 169717), (3611, 61429), (7379, 30061)]