1280404216

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1758797}}^1$

素因数の和:1758823

約数の個数: 32

約数和(自身を含む): 2954780640

約数和(自身を除く): 1674376424

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 1758797, 3517594, 7035188, 12311579, 14070376, 22864361, 24623158, 45728722, 49246316, 91457444, 98492632, 160050527, 182914888, 320101054, 640202108, 1280404216]

約数ペア:

[(1, 1280404216), (2, 640202108), (4, 320101054), (7, 182914888), (8, 160050527), (13, 98492632), (14, 91457444), (26, 49246316), (28, 45728722), (52, 24623158), (56, 22864361), (91, 14070376), (104, 12311579), (182, 7035188), (364, 3517594), (728, 1758797)]