279146712

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20807}}^1$

素因数の和:20872

約数の個数: 64

約数和(自身を含む): 769063680

約数和(自身を除く): 489916968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1677, 2236, 3354, 4472, 6708, 13416, 20807, 41614, 62421, 83228, 124842, 166456, 249684, 270491, 499368, 540982, 811473, 894701, 1081964, 1622946, 1789402, 2163928, 2684103, 3245892, 3578804, 5368206, 6491784, 7157608, 10736412, 11631113, 21472824, 23262226, 34893339, 46524452, 69786678, 93048904, 139573356, 279146712]

約数ペア:

[(1, 279146712), (2, 139573356), (3, 93048904), (4, 69786678), (6, 46524452), (8, 34893339), (12, 23262226), (13, 21472824), (24, 11631113), (26, 10736412), (39, 7157608), (43, 6491784), (52, 5368206), (78, 3578804), (86, 3245892), (104, 2684103), (129, 2163928), (156, 1789402), (172, 1622946), (258, 1081964), (312, 894701), (344, 811473), (516, 540982), (559, 499368), (1032, 270491), (1118, 249684), (1677, 166456), (2236, 124842), (3354, 83228), (4472, 62421), (6708, 41614), (13416, 20807)]