78877136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8819}}^1$

素因数の和:8883

約数の個数: 40

約数和(自身を含む): 168426720

約数和(自身を除く): 89549584

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8819, 8944, 17638, 35276, 70552, 114647, 141104, 229294, 379217, 458588, 758434, 917176, 1516868, 1834352, 3033736, 4929821, 6067472, 9859642, 19719284, 39438568, 78877136]

約数ペア:

[(1, 78877136), (2, 39438568), (4, 19719284), (8, 9859642), (13, 6067472), (16, 4929821), (26, 3033736), (43, 1834352), (52, 1516868), (86, 917176), (104, 758434), (172, 458588), (208, 379217), (344, 229294), (559, 141104), (688, 114647), (1118, 70552), (2236, 35276), (4472, 17638), (8819, 8944)]