2553925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 3562272

約数和(自身を除く): 1008347

約数列:

[1, 5, 11, 25, 37, 55, 185, 251, 275, 407, 925, 1255, 2035, 2761, 6275, 9287, 10175, 13805, 46435, 69025, 102157, 232175, 510785, 2553925]

約数ペア:

[(1, 2553925), (5, 510785), (11, 232175), (25, 102157), (37, 69025), (55, 46435), (185, 13805), (251, 10175), (275, 9287), (407, 6275), (925, 2761), (1255, 2035)]