15988225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1237}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 22105728

約数和(自身を除く): 6117503

約数列:

[1, 5, 11, 25, 47, 55, 235, 275, 517, 1175, 1237, 2585, 6185, 12925, 13607, 30925, 58139, 68035, 290695, 340175, 639529, 1453475, 3197645, 15988225]

約数ペア:

[(1, 15988225), (5, 3197645), (11, 1453475), (25, 639529), (47, 340175), (55, 290695), (235, 68035), (275, 58139), (517, 30925), (1175, 13607), (1237, 12925), (2585, 6185)]