28990775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2243}}^1$

素因数の和:2311

約数の個数: 24

約数和(自身を含む): 40068864

約数和(自身を除く): 11078089

約数列:

[1, 5, 11, 25, 47, 55, 235, 275, 517, 1175, 2243, 2585, 11215, 12925, 24673, 56075, 105421, 123365, 527105, 616825, 1159631, 2635525, 5798155, 28990775]

約数ペア:

[(1, 28990775), (5, 5798155), (11, 2635525), (25, 1159631), (47, 616825), (55, 527105), (235, 123365), (275, 105421), (517, 56075), (1175, 24673), (2243, 12925), (2585, 11215)]