78237025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 100937984

約数和(自身を除く): 22700959

約数列:

[1, 5, 25, 31, 155, 157, 643, 775, 785, 3215, 3925, 4867, 16075, 19933, 24335, 99665, 100951, 121675, 498325, 504755, 2523775, 3129481, 15647405, 78237025]

約数ペア:

[(1, 78237025), (5, 15647405), (25, 3129481), (31, 2523775), (155, 504755), (157, 498325), (643, 121675), (775, 100951), (785, 99665), (3215, 24335), (3925, 19933), (4867, 16075)]