637325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 24

約数和(自身を含む): 890568

約数和(自身を除く): 253243

約数列:

[1, 5, 13, 25, 37, 53, 65, 185, 265, 325, 481, 689, 925, 1325, 1961, 2405, 3445, 9805, 12025, 17225, 25493, 49025, 127465, 637325]

約数ペア:

[(1, 637325), (5, 127465), (13, 49025), (25, 25493), (37, 17225), (53, 12025), (65, 9805), (185, 3445), (265, 2405), (325, 1961), (481, 1325), (689, 925)]