438981244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{691}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 873470080

約数和(自身を除く): 434488836

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 643, 691, 988, 1286, 1382, 2572, 2764, 8359, 8983, 12217, 13129, 16718, 17966, 24434, 26258, 33436, 35932, 48868, 52516, 158821, 170677, 317642, 341354, 444313, 635284, 682708, 888626, 1777252, 5776069, 8441947, 11552138, 16883894, 23104276, 33767788, 109745311, 219490622, 438981244]

約数ペア:

[(1, 438981244), (2, 219490622), (4, 109745311), (13, 33767788), (19, 23104276), (26, 16883894), (38, 11552138), (52, 8441947), (76, 5776069), (247, 1777252), (494, 888626), (643, 682708), (691, 635284), (988, 444313), (1286, 341354), (1382, 317642), (2572, 170677), (2764, 158821), (8359, 52516), (8983, 48868), (12217, 35932), (13129, 33436), (16718, 26258), (17966, 24434)]