201211885

素因数分解:

$5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{4127}}^1$

素因数の和:4345

約数の個数: 24

約数和(自身を含む): 282355200

約数和(自身を除く): 81143315

約数列:

[1, 5, 7, 35, 49, 199, 245, 995, 1393, 4127, 6965, 9751, 20635, 28889, 48755, 144445, 202223, 821273, 1011115, 4106365, 5748911, 28744555, 40242377, 201211885]

約数ペア:

[(1, 201211885), (5, 40242377), (7, 28744555), (35, 5748911), (49, 4106365), (199, 1011115), (245, 821273), (995, 202223), (1393, 144445), (4127, 48755), (6965, 28889), (9751, 20635)]