218515525

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{10271}}^1$

素因数の和:10341

約数の個数: 24

約数和(自身を含む): 290409984

約数和(自身を除く): 71894459

約数列:

[1, 5, 23, 25, 37, 115, 185, 575, 851, 925, 4255, 10271, 21275, 51355, 236233, 256775, 380027, 1181165, 1900135, 5905825, 8740621, 9500675, 43703105, 218515525]

約数ペア:

[(1, 218515525), (5, 43703105), (23, 9500675), (25, 8740621), (37, 5905825), (115, 1900135), (185, 1181165), (575, 380027), (851, 256775), (925, 236233), (4255, 51355), (10271, 21275)]