69947425

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 88869312

約数和(自身を除く): 18921887

約数列:

[1, 5, 25, 71, 157, 251, 355, 785, 1255, 1775, 3925, 6275, 11147, 17821, 39407, 55735, 89105, 197035, 278675, 445525, 985175, 2797897, 13989485, 69947425]

約数ペア:

[(1, 69947425), (5, 13989485), (25, 2797897), (71, 985175), (157, 445525), (251, 278675), (355, 197035), (785, 89105), (1255, 55735), (1775, 39407), (3925, 17821), (6275, 11147)]