81789656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 178053120

約数和(自身を除く): 96263464

約数列:

[1, 2, 4, 8, 13, 23, 26, 31, 46, 52, 62, 92, 104, 124, 184, 248, 299, 403, 598, 713, 806, 1103, 1196, 1426, 1612, 2206, 2392, 2852, 3224, 4412, 5704, 8824, 9269, 14339, 18538, 25369, 28678, 34193, 37076, 50738, 57356, 68386, 74152, 101476, 114712, 136772, 202952, 273544, 329797, 444509, 659594, 786439, 889018, 1319188, 1572878, 1778036, 2638376, 3145756, 3556072, 6291512, 10223707, 20447414, 40894828, 81789656]

約数ペア:

[(1, 81789656), (2, 40894828), (4, 20447414), (8, 10223707), (13, 6291512), (23, 3556072), (26, 3145756), (31, 2638376), (46, 1778036), (52, 1572878), (62, 1319188), (92, 889018), (104, 786439), (124, 659594), (184, 444509), (248, 329797), (299, 273544), (403, 202952), (598, 136772), (713, 114712), (806, 101476), (1103, 74152), (1196, 68386), (1426, 57356), (1612, 50738), (2206, 37076), (2392, 34193), (2852, 28678), (3224, 25369), (4412, 18538), (5704, 14339), (8824, 9269)]