81807248

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{11863}}^1$

素因数の和:12302

約数の個数: 20

約数和(自身を含む): 158882688

約数和(自身を除く): 77075440

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 3448, 6896, 11863, 23726, 47452, 94904, 189808, 5112953, 10225906, 20451812, 40903624, 81807248]

約数ペア:

[(1, 81807248), (2, 40903624), (4, 20451812), (8, 10225906), (16, 5112953), (431, 189808), (862, 94904), (1724, 47452), (3448, 23726), (6896, 11863)]