81284928

素因数分解:

$2^6\times 3^1\times {\mathrm{181}}^1\times {\mathrm{2339}}^1$

素因数の和:2535

約数の個数: 56

約数和(自身を含む): 216347040

約数和(自身を除く): 135062112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 181, 192, 362, 543, 724, 1086, 1448, 2172, 2339, 2896, 4344, 4678, 5792, 7017, 8688, 9356, 11584, 14034, 17376, 18712, 28068, 34752, 37424, 56136, 74848, 112272, 149696, 224544, 423359, 449088, 846718, 1270077, 1693436, 2540154, 3386872, 5080308, 6773744, 10160616, 13547488, 20321232, 27094976, 40642464, 81284928]

約数ペア:

[(1, 81284928), (2, 40642464), (3, 27094976), (4, 20321232), (6, 13547488), (8, 10160616), (12, 6773744), (16, 5080308), (24, 3386872), (32, 2540154), (48, 1693436), (64, 1270077), (96, 846718), (181, 449088), (192, 423359), (362, 224544), (543, 149696), (724, 112272), (1086, 74848), (1448, 56136), (2172, 37424), (2339, 34752), (2896, 28068), (4344, 18712), (4678, 17376), (5792, 14034), (7017, 11584), (8688, 9356)]