78185225

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{307}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 99451968

約数和(自身を除く): 21266743

約数列:

[1, 5, 25, 61, 167, 305, 307, 835, 1525, 1535, 4175, 7675, 10187, 18727, 50935, 51269, 93635, 254675, 256345, 468175, 1281725, 3127409, 15637045, 78185225]

約数ペア:

[(1, 78185225), (5, 15637045), (25, 3127409), (61, 1281725), (167, 468175), (305, 256345), (307, 254675), (835, 93635), (1525, 51269), (1535, 50935), (4175, 18727), (7675, 10187)]