28108025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2377}}^1$

素因数の和:2441

約数の個数: 24

約数和(自身を含む): 38923104

約数和(自身を除く): 10815079

約数列:

[1, 5, 11, 25, 43, 55, 215, 275, 473, 1075, 2365, 2377, 11825, 11885, 26147, 59425, 102211, 130735, 511055, 653675, 1124321, 2555275, 5621605, 28108025]

約数ペア:

[(1, 28108025), (5, 5621605), (11, 2555275), (25, 1124321), (43, 653675), (55, 511055), (215, 130735), (275, 102211), (473, 59425), (1075, 26147), (2365, 11885), (2377, 11825)]