221111725

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{1307}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 281240928

約数和(自身を除く): 60129203

約数列:

[1, 5, 25, 67, 101, 335, 505, 1307, 1675, 2525, 6535, 6767, 32675, 33835, 87569, 132007, 169175, 437845, 660035, 2189225, 3300175, 8844469, 44222345, 221111725]

約数ペア:

[(1, 221111725), (5, 44222345), (25, 8844469), (67, 3300175), (101, 2189225), (335, 660035), (505, 437845), (1307, 169175), (1675, 132007), (2525, 87569), (6535, 33835), (6767, 32675)]