321302008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{20929}}^1$

素因数の和:21055

約数の個数: 32

約数和(自身を含む): 640458000

約数和(自身を除く): 319155992

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 152, 202, 404, 808, 1919, 3838, 7676, 15352, 20929, 41858, 83716, 167432, 397651, 795302, 1590604, 2113829, 3181208, 4227658, 8455316, 16910632, 40162751, 80325502, 160651004, 321302008]

約数ペア:

[(1, 321302008), (2, 160651004), (4, 80325502), (8, 40162751), (19, 16910632), (38, 8455316), (76, 4227658), (101, 3181208), (152, 2113829), (202, 1590604), (404, 795302), (808, 397651), (1919, 167432), (3838, 83716), (7676, 41858), (15352, 20929)]