2788326

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 6589440

約数和(自身を除く): 3801114

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 62, 93, 114, 171, 186, 263, 279, 342, 526, 558, 589, 789, 1178, 1578, 1767, 2367, 3534, 4734, 4997, 5301, 8153, 9994, 10602, 14991, 16306, 24459, 29982, 44973, 48918, 73377, 89946, 146754, 154907, 309814, 464721, 929442, 1394163, 2788326]

約数ペア:

[(1, 2788326), (2, 1394163), (3, 929442), (6, 464721), (9, 309814), (18, 154907), (19, 146754), (31, 89946), (38, 73377), (57, 48918), (62, 44973), (93, 29982), (114, 24459), (171, 16306), (186, 14991), (263, 10602), (279, 9994), (342, 8153), (526, 5301), (558, 4997), (589, 4734), (789, 3534), (1178, 2367), (1578, 1767)]