81315052

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1759}}^1$

素因数の和:1910

約数の個数: 48

約数和(自身を含む): 176619520

約数和(自身を除く): 95304468

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 127, 182, 254, 364, 508, 889, 1651, 1759, 1778, 3302, 3518, 3556, 6604, 7036, 11557, 12313, 22867, 23114, 24626, 45734, 46228, 49252, 91468, 160069, 223393, 320138, 446786, 640276, 893572, 1563751, 2904109, 3127502, 5808218, 6255004, 11616436, 20328763, 40657526, 81315052]

約数ペア:

[(1, 81315052), (2, 40657526), (4, 20328763), (7, 11616436), (13, 6255004), (14, 5808218), (26, 3127502), (28, 2904109), (52, 1563751), (91, 893572), (127, 640276), (182, 446786), (254, 320138), (364, 223393), (508, 160069), (889, 91468), (1651, 49252), (1759, 46228), (1778, 45734), (3302, 24626), (3518, 23114), (3556, 22867), (6604, 12313), (7036, 11557)]