4972975

素因数分解:

$5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 7131488

約数和(自身を除く): 2158513

約数列:

[1, 5, 7, 25, 35, 157, 175, 181, 785, 905, 1099, 1267, 3925, 4525, 5495, 6335, 27475, 28417, 31675, 142085, 198919, 710425, 994595, 4972975]

約数ペア:

[(1, 4972975), (5, 994595), (7, 710425), (25, 198919), (35, 142085), (157, 31675), (175, 28417), (181, 27475), (785, 6335), (905, 5495), (1099, 4525), (1267, 3925)]