128480825

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{42473}}^1$

素因数の和:42505

約数の個数: 18

約数和(自身を含む): 175120302

約数和(自身を除く): 46639477

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 42473, 212365, 467203, 1061825, 2336015, 5139233, 11680075, 25696165, 128480825]

約数ペア:

[(1, 128480825), (5, 25696165), (11, 11680075), (25, 5139233), (55, 2336015), (121, 1061825), (275, 467203), (605, 212365), (3025, 42473)]