221467895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211931}}^1$

素因数の和:211966

約数の個数: 16

約数和(自身を含む): 305182080

約数和(自身を除く): 83714185

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 211931, 1059655, 2331241, 4026689, 11656205, 20133445, 44293579, 221467895]

約数ペア:

[(1, 221467895), (5, 44293579), (11, 20133445), (19, 11656205), (55, 4026689), (95, 2331241), (209, 1059655), (1045, 211931)]