204547475

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{67619}}^1$

素因数の和:67651

約数の個数: 18

約数和(自身を含む): 278797260

約数和(自身を除く): 74249785

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 67619, 338095, 743809, 1690475, 3719045, 8181899, 18595225, 40909495, 204547475]

約数ペア:

[(1, 204547475), (5, 40909495), (11, 18595225), (25, 8181899), (55, 3719045), (121, 1690475), (275, 743809), (605, 338095), (3025, 67619)]