28027475

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9421}}^1$

素因数の和:9455

約数の個数: 24

約数和(自身を含む): 42059808

約数和(自身を除く): 14032333

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 9421, 47105, 65947, 160157, 235525, 329735, 800785, 1121099, 1648675, 4003925, 5605495, 28027475]

約数ペア:

[(1, 28027475), (5, 5605495), (7, 4003925), (17, 1648675), (25, 1121099), (35, 800785), (85, 329735), (119, 235525), (175, 160157), (425, 65947), (595, 47105), (2975, 9421)]