1320221365

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{16927}}^1$

素因数の和:17772

約数の個数: 16

約数和(自身を含む): 1669777920

約数和(自身を除く): 349556555

約数列:

[1, 5, 19, 95, 821, 4105, 15599, 16927, 77995, 84635, 321613, 1608065, 13897067, 69485335, 264044273, 1320221365]

約数ペア:

[(1, 1320221365), (5, 264044273), (19, 69485335), (95, 13897067), (821, 1608065), (4105, 321613), (15599, 84635), (16927, 77995)]