81856768

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2687}}^1$

素因数の和:2727

約数の個数: 72

約数和(自身を含む): 197793792

約数和(自身を除く): 115937024

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 544, 896, 952, 1088, 1792, 1904, 2176, 2687, 3808, 4352, 5374, 7616, 10748, 15232, 18809, 21496, 30464, 37618, 42992, 45679, 75236, 85984, 91358, 150472, 171968, 182716, 300944, 319753, 343936, 365432, 601888, 639506, 687872, 730864, 1203776, 1279012, 1461728, 2407552, 2558024, 2923456, 4815104, 5116048, 5846912, 10232096, 11693824, 20464192, 40928384, 81856768]

約数ペア:

[(1, 81856768), (2, 40928384), (4, 20464192), (7, 11693824), (8, 10232096), (14, 5846912), (16, 5116048), (17, 4815104), (28, 2923456), (32, 2558024), (34, 2407552), (56, 1461728), (64, 1279012), (68, 1203776), (112, 730864), (119, 687872), (128, 639506), (136, 601888), (224, 365432), (238, 343936), (256, 319753), (272, 300944), (448, 182716), (476, 171968), (544, 150472), (896, 91358), (952, 85984), (1088, 75236), (1792, 45679), (1904, 42992), (2176, 37618), (2687, 30464), (3808, 21496), (4352, 18809), (5374, 15232), (7616, 10748)]