81076585.000000000

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12227}}^1$

素因数の和:12281

約数の個数: 48

約数和(自身を含む): 345123072

約数和(自身を除く): 187443680

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6448, 12227, 12896, 24454, 48908, 97816, 158951, 195632, 317902, 379037, 391264, 635804, 758074, 1271608, 1516148, 2543216, 3032296, 4927481, 5086432, 6064592, 9854962, 12129184, 19709924, 39419848, 78839696, 157679392]

約数ペア:

[(1, 157679392), (2, 78839696), (4, 39419848), (8, 19709924), (13, 12129184), (16, 9854962), (26, 6064592), (31, 5086432), (32, 4927481), (52, 3032296), (62, 2543216), (104, 1516148), (124, 1271608), (208, 758074), (248, 635804), (403, 391264), (416, 379037), (496, 317902), (806, 195632), (992, 158951), (1612, 97816), (3224, 48908), (6448, 24454), (12227, 12896)]