279864468

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{13907}}^1$

素因数の和:13973

約数の個数: 72

約数和(自身を含む): 779626848

約数和(自身を除く): 499762380

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 5031, 6708, 10062, 13907, 20124, 27814, 41721, 55628, 83442, 125163, 166884, 180791, 250326, 361582, 500652, 542373, 598001, 723164, 1084746, 1196002, 1627119, 1794003, 2169492, 2392004, 3254238, 3588006, 5382009, 6508476, 7176012, 7774013, 10764018, 15548026, 21528036, 23322039, 31096052, 46644078, 69966117, 93288156, 139932234, 279864468]

約数ペア:

[(1, 279864468), (2, 139932234), (3, 93288156), (4, 69966117), (6, 46644078), (9, 31096052), (12, 23322039), (13, 21528036), (18, 15548026), (26, 10764018), (36, 7774013), (39, 7176012), (43, 6508476), (52, 5382009), (78, 3588006), (86, 3254238), (117, 2392004), (129, 2169492), (156, 1794003), (172, 1627119), (234, 1196002), (258, 1084746), (387, 723164), (468, 598001), (516, 542373), (559, 500652), (774, 361582), (1118, 250326), (1548, 180791), (1677, 166884), (2236, 125163), (3354, 83442), (5031, 55628), (6708, 41721), (10062, 27814), (13907, 20124)]