78102475

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{25819}}^1$

素因数の和:25851

約数の個数: 18

約数和(自身を含む): 106455860

約数和(自身を除く): 28353385

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 25819, 129095, 284009, 645475, 1420045, 3124099, 7100225, 15620495, 78102475]

約数ペア:

[(1, 78102475), (5, 15620495), (11, 7100225), (25, 3124099), (55, 1420045), (121, 645475), (275, 284009), (605, 129095), (3025, 25819)]