28221325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2503}}^1$

素因数の和:2565

約数の個数: 24

約数和(自身を含む): 39122496

約数和(自身を除く): 10901171

約数列:

[1, 5, 11, 25, 41, 55, 205, 275, 451, 1025, 2255, 2503, 11275, 12515, 27533, 62575, 102623, 137665, 513115, 688325, 1128853, 2565575, 5644265, 28221325]

約数ペア:

[(1, 28221325), (5, 5644265), (11, 2565575), (25, 1128853), (41, 688325), (55, 513115), (205, 137665), (275, 102623), (451, 62575), (1025, 27533), (2255, 12515), (2503, 11275)]