487999025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{787}}^1\times {\mathrm{1459}}^1$

素因数の和:2273

約数の個数: 24

約数和(自身を含む): 641967840

約数和(自身を除く): 153968815

約数列:

[1, 5, 17, 25, 85, 425, 787, 1459, 3935, 7295, 13379, 19675, 24803, 36475, 66895, 124015, 334475, 620075, 1148233, 5741165, 19519961, 28705825, 97599805, 487999025]

約数ペア:

[(1, 487999025), (5, 97599805), (17, 28705825), (25, 19519961), (85, 5741165), (425, 1148233), (787, 620075), (1459, 334475), (3935, 124015), (7295, 66895), (13379, 36475), (19675, 24803)]