487818995

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{439}}^1\times {\mathrm{769}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 624069600

約数和(自身を除く): 136250605

約数列:

[1, 5, 17, 85, 289, 439, 769, 1445, 2195, 3845, 7463, 13073, 37315, 65365, 126871, 222241, 337591, 634355, 1111205, 1687955, 5739047, 28695235, 97563799, 487818995]

約数ペア:

[(1, 487818995), (5, 97563799), (17, 28695235), (85, 5739047), (289, 1687955), (439, 1111205), (769, 634355), (1445, 337591), (2195, 222241), (3845, 126871), (7463, 65365), (13073, 37315)]