72051725

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 91292520

約数和(自身を除く): 19240795

約数列:

[1, 5, 25, 109, 137, 193, 545, 685, 965, 2725, 3425, 4825, 14933, 21037, 26441, 74665, 105185, 132205, 373325, 525925, 661025, 2882069, 14410345, 72051725]

約数ペア:

[(1, 72051725), (5, 14410345), (25, 2882069), (109, 661025), (137, 525925), (193, 373325), (545, 132205), (685, 105185), (965, 74665), (2725, 26441), (3425, 21037), (4825, 14933)]