278858364

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{4759}}^1$

素因数の和:5042

約数の個数: 48

約数和(自身を含む): 687724800

約数和(自身を除く): 408866436

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 257, 514, 771, 1028, 1542, 3084, 4759, 4883, 9518, 9766, 14277, 14649, 19036, 19532, 28554, 29298, 57108, 58596, 90421, 180842, 271263, 361684, 542526, 1085052, 1223063, 2446126, 3669189, 4892252, 7338378, 14676756, 23238197, 46476394, 69714591, 92952788, 139429182, 278858364]

約数ペア:

[(1, 278858364), (2, 139429182), (3, 92952788), (4, 69714591), (6, 46476394), (12, 23238197), (19, 14676756), (38, 7338378), (57, 4892252), (76, 3669189), (114, 2446126), (228, 1223063), (257, 1085052), (514, 542526), (771, 361684), (1028, 271263), (1542, 180842), (3084, 90421), (4759, 58596), (4883, 57108), (9518, 29298), (9766, 28554), (14277, 19532), (14649, 19036)]