78613336

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{1663}}^1$

素因数の和:1999

約数の個数: 32

約数和(自身を含む): 155750400

約数和(自身を除く): 77137064

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 311, 622, 1244, 1663, 2488, 3326, 5909, 6652, 11818, 13304, 23636, 31597, 47272, 63194, 126388, 252776, 517193, 1034386, 2068772, 4137544, 9826667, 19653334, 39306668, 78613336]

約数ペア:

[(1, 78613336), (2, 39306668), (4, 19653334), (8, 9826667), (19, 4137544), (38, 2068772), (76, 1034386), (152, 517193), (311, 252776), (622, 126388), (1244, 63194), (1663, 47272), (2488, 31597), (3326, 23636), (5909, 13304), (6652, 11818)]