221197895

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1\times {\mathrm{1223}}^1$

素因数の和:1882

約数の個数: 16

約数和(自身を含む): 270464832

約数和(自身を除く): 49266937

約数列:

[1, 5, 61, 305, 593, 1223, 2965, 6115, 36173, 74603, 180865, 373015, 725239, 3626195, 44239579, 221197895]

約数ペア:

[(1, 221197895), (5, 44239579), (61, 3626195), (305, 725239), (593, 373015), (1223, 180865), (2965, 74603), (6115, 36173)]