81299196

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{859}}^1$

素因数の和:1119

約数の個数: 72

約数和(自身を含む): 225388800

約数和(自身を除く): 144089604

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 239, 396, 478, 717, 859, 956, 1434, 1718, 2151, 2577, 2629, 2868, 3436, 4302, 5154, 5258, 7731, 7887, 8604, 9449, 10308, 10516, 15462, 15774, 18898, 23661, 28347, 30924, 31548, 37796, 47322, 56694, 85041, 94644, 113388, 170082, 205301, 340164, 410602, 615903, 821204, 1231806, 1847709, 2258311, 2463612, 3695418, 4516622, 6774933, 7390836, 9033244, 13549866, 20324799, 27099732, 40649598, 81299196]

約数ペア:

[(1, 81299196), (2, 40649598), (3, 27099732), (4, 20324799), (6, 13549866), (9, 9033244), (11, 7390836), (12, 6774933), (18, 4516622), (22, 3695418), (33, 2463612), (36, 2258311), (44, 1847709), (66, 1231806), (99, 821204), (132, 615903), (198, 410602), (239, 340164), (396, 205301), (478, 170082), (717, 113388), (859, 94644), (956, 85041), (1434, 56694), (1718, 47322), (2151, 37796), (2577, 31548), (2629, 30924), (2868, 28347), (3436, 23661), (4302, 18898), (5154, 15774), (5258, 15462), (7731, 10516), (7887, 10308), (8604, 9449)]