81984832

素因数分解:

$2^6\times {\mathrm{31}}^3\times {\mathrm{43}}^1$

素因数の和:148

約数の個数: 56

約数和(自身を含む): 172020992

約数和(自身を除く): 90036160

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 124, 172, 248, 344, 496, 688, 961, 992, 1333, 1376, 1922, 1984, 2666, 2752, 3844, 5332, 7688, 10664, 15376, 21328, 29791, 30752, 41323, 42656, 59582, 61504, 82646, 85312, 119164, 165292, 238328, 330584, 476656, 661168, 953312, 1281013, 1322336, 1906624, 2562026, 2644672, 5124052, 10248104, 20496208, 40992416, 81984832]

約数ペア:

[(1, 81984832), (2, 40992416), (4, 20496208), (8, 10248104), (16, 5124052), (31, 2644672), (32, 2562026), (43, 1906624), (62, 1322336), (64, 1281013), (86, 953312), (124, 661168), (172, 476656), (248, 330584), (344, 238328), (496, 165292), (688, 119164), (961, 85312), (992, 82646), (1333, 61504), (1376, 59582), (1922, 42656), (1984, 41323), (2666, 30752), (2752, 29791), (3844, 21328), (5332, 15376), (7688, 10664)]