215354645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{206081}}^1$

素因数の和:206116

約数の個数: 16

約数和(自身を含む): 296758080

約数和(自身を除く): 81403435

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 206081, 1030405, 2266891, 3915539, 11334455, 19577695, 43070929, 215354645]

約数ペア:

[(1, 215354645), (5, 43070929), (11, 19577695), (19, 11334455), (55, 3915539), (95, 2266891), (209, 1030405), (1045, 206081)]