1279851818

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{117353}}^1$

素因数の和:117422

約数の個数: 32

約数和(自身を含む): 2365856640

約数和(自身を除く): 1086004822

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 5453, 10906, 117353, 234706, 821471, 1642942, 2229707, 4459414, 4811473, 9622946, 15607949, 31215898, 33680311, 67360622, 91417987, 182835974, 639925909, 1279851818]

約数ペア:

[(1, 1279851818), (2, 639925909), (7, 182835974), (14, 91417987), (19, 67360622), (38, 33680311), (41, 31215898), (82, 15607949), (133, 9622946), (266, 4811473), (287, 4459414), (574, 2229707), (779, 1642942), (1558, 821471), (5453, 234706), (10906, 117353)]