81897536

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5897}}^1$

素因数の和:5947

約数の個数: 56

約数和(自身を含む): 191755776

約数和(自身を除く): 109858240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 5897, 6944, 11794, 13888, 23588, 41279, 47176, 82558, 94352, 165116, 182807, 188704, 330232, 365614, 377408, 660464, 731228, 1279649, 1320928, 1462456, 2559298, 2641856, 2924912, 5118596, 5849824, 10237192, 11699648, 20474384, 40948768, 81897536]

約数ペア:

[(1, 81897536), (2, 40948768), (4, 20474384), (7, 11699648), (8, 10237192), (14, 5849824), (16, 5118596), (28, 2924912), (31, 2641856), (32, 2559298), (56, 1462456), (62, 1320928), (64, 1279649), (112, 731228), (124, 660464), (217, 377408), (224, 365614), (248, 330232), (434, 188704), (448, 182807), (496, 165116), (868, 94352), (992, 82558), (1736, 47176), (1984, 41279), (3472, 23588), (5897, 13888), (6944, 11794)]