68005025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{22481}}^1$

素因数の和:22513

約数の個数: 18

約数和(自身を含む): 92693286

約数和(自身を除く): 24688261

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 22481, 112405, 247291, 562025, 1236455, 2720201, 6182275, 13601005, 68005025]

約数ペア:

[(1, 68005025), (5, 13601005), (11, 6182275), (25, 2720201), (55, 1236455), (121, 562025), (275, 247291), (605, 112405), (3025, 22481)]