257486394

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{9311}}^1$

素因数の和:9746

約数の個数: 32

約数和(自身を含む): 563189760

約数和(自身を除く): 305703366

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 419, 838, 1257, 2514, 4609, 9218, 9311, 13827, 18622, 27654, 27933, 55866, 102421, 204842, 307263, 614526, 3901309, 7802618, 11703927, 23407854, 42914399, 85828798, 128743197, 257486394]

約数ペア:

[(1, 257486394), (2, 128743197), (3, 85828798), (6, 42914399), (11, 23407854), (22, 11703927), (33, 7802618), (66, 3901309), (419, 614526), (838, 307263), (1257, 204842), (2514, 102421), (4609, 55866), (9218, 27933), (9311, 27654), (13827, 18622)]