1288894431

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{20353}}^1$

素因数の和:20487

約数の個数: 32

約数和(自身を含む): 1993063680

約数和(自身を除く): 704169249

約数列:

[1, 3, 11, 19, 33, 57, 101, 209, 303, 627, 1111, 1919, 3333, 5757, 20353, 21109, 61059, 63327, 223883, 386707, 671649, 1160121, 2055653, 4253777, 6166959, 12761331, 22612183, 39057407, 67836549, 117172221, 429631477, 1288894431]

約数ペア:

[(1, 1288894431), (3, 429631477), (11, 117172221), (19, 67836549), (33, 39057407), (57, 22612183), (101, 12761331), (209, 6166959), (303, 4253777), (627, 2055653), (1111, 1160121), (1919, 671649), (3333, 386707), (5757, 223883), (20353, 63327), (21109, 61059)]