67899325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{521}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 91072296

約数和(自身を除く): 23172971

約数列:

[1, 5, 13, 25, 65, 325, 401, 521, 2005, 2605, 5213, 6773, 10025, 13025, 26065, 33865, 130325, 169325, 208921, 1044605, 2715973, 5223025, 13579865, 67899325]

約数ペア:

[(1, 67899325), (5, 13579865), (13, 5223025), (25, 2715973), (65, 1044605), (325, 208921), (401, 169325), (521, 130325), (2005, 33865), (2605, 26065), (5213, 13025), (6773, 10025)]