28028825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{449}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 38167200

約数和(自身を除く): 10138375

約数列:

[1, 5, 11, 25, 55, 227, 275, 449, 1135, 2245, 2497, 4939, 5675, 11225, 12485, 24695, 62425, 101923, 123475, 509615, 1121153, 2548075, 5605765, 28028825]

約数ペア:

[(1, 28028825), (5, 5605765), (11, 2548075), (25, 1121153), (55, 509615), (227, 123475), (275, 101923), (449, 62425), (1135, 24695), (2245, 12485), (2497, 11225), (4939, 5675)]