81584008

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{271}}^1\times {\mathrm{311}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 169303680

約数和(自身を除く): 87719672

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 271, 311, 484, 542, 622, 968, 1084, 1244, 2168, 2488, 2981, 3421, 5962, 6842, 11924, 13684, 23848, 27368, 32791, 37631, 65582, 75262, 84281, 131164, 150524, 168562, 262328, 301048, 337124, 674248, 927091, 1854182, 3708364, 7416728, 10198001, 20396002, 40792004, 81584008]

約数ペア:

[(1, 81584008), (2, 40792004), (4, 20396002), (8, 10198001), (11, 7416728), (22, 3708364), (44, 1854182), (88, 927091), (121, 674248), (242, 337124), (271, 301048), (311, 262328), (484, 168562), (542, 150524), (622, 131164), (968, 84281), (1084, 75262), (1244, 65582), (2168, 37631), (2488, 32791), (2981, 27368), (3421, 23848), (5962, 13684), (6842, 11924)]