164941225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{4001}}^1$

素因数の和:4125

約数の個数: 24

約数和(自身を含む): 218845368

約数和(自身を除く): 53904143

約数列:

[1, 5, 17, 25, 85, 97, 425, 485, 1649, 2425, 4001, 8245, 20005, 41225, 68017, 100025, 340085, 388097, 1700425, 1940485, 6597649, 9702425, 32988245, 164941225]

約数ペア:

[(1, 164941225), (5, 32988245), (17, 9702425), (25, 6597649), (85, 1940485), (97, 1700425), (425, 388097), (485, 340085), (1649, 100025), (2425, 68017), (4001, 41225), (8245, 20005)]