28537225

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 36604800

約数和(自身を除く): 8067575

約数列:

[1, 5, 25, 47, 149, 163, 235, 745, 815, 1175, 3725, 4075, 7003, 7661, 24287, 35015, 38305, 121435, 175075, 191525, 607175, 1141489, 5707445, 28537225]

約数ペア:

[(1, 28537225), (5, 5707445), (25, 1141489), (47, 607175), (149, 191525), (163, 175075), (235, 121435), (745, 38305), (815, 35015), (1175, 24287), (3725, 7661), (4075, 7003)]