247654398

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{29759}}^1$

素因数の和:29856

約数の個数: 32

約数和(自身を含む): 528537600

約数和(自身を除く): 280883202

約数列:

[1, 2, 3, 6, 19, 38, 57, 73, 114, 146, 219, 438, 1387, 2774, 4161, 8322, 29759, 59518, 89277, 178554, 565421, 1130842, 1696263, 2172407, 3392526, 4344814, 6517221, 13034442, 41275733, 82551466, 123827199, 247654398]

約数ペア:

[(1, 247654398), (2, 123827199), (3, 82551466), (6, 41275733), (19, 13034442), (38, 6517221), (57, 4344814), (73, 3392526), (114, 2172407), (146, 1696263), (219, 1130842), (438, 565421), (1387, 178554), (2774, 89277), (4161, 59518), (8322, 29759)]