256739615

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{9029}}^1$

素因数の和:9103

約数の個数: 24

約数和(自身を含む): 345885120

約数和(自身を除く): 89145505

約数列:

[1, 5, 11, 47, 55, 121, 235, 517, 605, 2585, 5687, 9029, 28435, 45145, 99319, 424363, 496595, 1092509, 2121815, 4667993, 5462545, 23339965, 51347923, 256739615]

約数ペア:

[(1, 256739615), (5, 51347923), (11, 23339965), (47, 5462545), (55, 4667993), (121, 2121815), (235, 1092509), (517, 496595), (605, 424363), (2585, 99319), (5687, 45145), (9029, 28435)]