1978178748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1811519}}^1$

素因数の和:1811546

約数の個数: 48

約数和(自身を含む): 5680926720

約数和(自身を除く): 3702747972

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 1811519, 3623038, 5434557, 7246076, 10869114, 12680633, 21738228, 23549747, 25361266, 38041899, 47099494, 50722532, 70649241, 76083798, 94198988, 141298482, 152167596, 164848229, 282596964, 329696458, 494544687, 659392916, 989089374, 1978178748]

約数ペア:

[(1, 1978178748), (2, 989089374), (3, 659392916), (4, 494544687), (6, 329696458), (7, 282596964), (12, 164848229), (13, 152167596), (14, 141298482), (21, 94198988), (26, 76083798), (28, 70649241), (39, 50722532), (42, 47099494), (52, 38041899), (78, 25361266), (84, 23549747), (91, 21738228), (156, 12680633), (182, 10869114), (273, 7246076), (364, 5434557), (546, 3623038), (1092, 1811519)]