2574325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^2$

素因数の和:201

約数の個数: 18

約数和(自身を含む): 3476774

約数和(自身を除く): 902449

約数列:

[1, 5, 13, 25, 65, 89, 325, 445, 1157, 2225, 5785, 7921, 28925, 39605, 102973, 198025, 514865, 2574325]

約数ペア:

[(1, 2574325), (5, 514865), (13, 198025), (25, 102973), (65, 39605), (89, 28925), (325, 7921), (445, 5785), (1157, 2225)]