129402008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{8429}}^1$

素因数の和:8555

約数の個数: 32

約数和(自身を含む): 257958000

約数和(自身を除く): 128555992

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 152, 202, 404, 808, 1919, 3838, 7676, 8429, 15352, 16858, 33716, 67432, 160151, 320302, 640604, 851329, 1281208, 1702658, 3405316, 6810632, 16175251, 32350502, 64701004, 129402008]

約数ペア:

[(1, 129402008), (2, 64701004), (4, 32350502), (8, 16175251), (19, 6810632), (38, 3405316), (76, 1702658), (101, 1281208), (152, 851329), (202, 640604), (404, 320302), (808, 160151), (1919, 67432), (3838, 33716), (7676, 16858), (8429, 15352)]