28913225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2237}}^1$

素因数の和:2305

約数の個数: 24

約数和(自身を含む): 39961728

約数和(自身を除く): 11048503

約数列:

[1, 5, 11, 25, 47, 55, 235, 275, 517, 1175, 2237, 2585, 11185, 12925, 24607, 55925, 105139, 123035, 525695, 615175, 1156529, 2628475, 5782645, 28913225]

約数ペア:

[(1, 28913225), (5, 5782645), (11, 2628475), (25, 1156529), (47, 615175), (55, 525695), (235, 123035), (275, 105139), (517, 55925), (1175, 24607), (2237, 12925), (2585, 11185)]