81913888

素因数分解:

$2^5\times 7^3\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 199584000

約数和(自身を除く): 117670112

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 343, 392, 439, 476, 544, 686, 784, 833, 878, 952, 1372, 1568, 1666, 1756, 1904, 2744, 3073, 3332, 3512, 3808, 5488, 5831, 6146, 6664, 7024, 7463, 10976, 11662, 12292, 13328, 14048, 14926, 21511, 23324, 24584, 26656, 29852, 43022, 46648, 49168, 52241, 59704, 86044, 93296, 98336, 104482, 119408, 150577, 172088, 186592, 208964, 238816, 301154, 344176, 365687, 417928, 602308, 688352, 731374, 835856, 1204616, 1462748, 1671712, 2409232, 2559809, 2925496, 4818464, 5119618, 5850992, 10239236, 11701984, 20478472, 40956944, 81913888]

約数ペア:

[(1, 81913888), (2, 40956944), (4, 20478472), (7, 11701984), (8, 10239236), (14, 5850992), (16, 5119618), (17, 4818464), (28, 2925496), (32, 2559809), (34, 2409232), (49, 1671712), (56, 1462748), (68, 1204616), (98, 835856), (112, 731374), (119, 688352), (136, 602308), (196, 417928), (224, 365687), (238, 344176), (272, 301154), (343, 238816), (392, 208964), (439, 186592), (476, 172088), (544, 150577), (686, 119408), (784, 104482), (833, 98336), (878, 93296), (952, 86044), (1372, 59704), (1568, 52241), (1666, 49168), (1756, 46648), (1904, 43022), (2744, 29852), (3073, 26656), (3332, 24584), (3512, 23324), (3808, 21511), (5488, 14926), (5831, 14048), (6146, 13328), (6664, 12292), (7024, 11662), (7463, 10976)]