68821775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{22751}}^1$

素因数の和:22783

約数の個数: 18

約数和(自身を含む): 93806496

約数和(自身を除く): 24984721

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 22751, 113755, 250261, 568775, 1251305, 2752871, 6256525, 13764355, 68821775]

約数ペア:

[(1, 68821775), (5, 13764355), (11, 6256525), (25, 2752871), (55, 1251305), (121, 568775), (275, 250261), (605, 113755), (3025, 22751)]