81269552

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55817}}^1$

素因数の和:55845

約数の個数: 40

約数和(自身を含む): 193800096

約数和(自身を除く): 112530544

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 55817, 111634, 223268, 390719, 446536, 725621, 781438, 893072, 1451242, 1562876, 2902484, 3125752, 5079347, 5804968, 6251504, 10158694, 11609936, 20317388, 40634776, 81269552]

約数ペア:

[(1, 81269552), (2, 40634776), (4, 20317388), (7, 11609936), (8, 10158694), (13, 6251504), (14, 5804968), (16, 5079347), (26, 3125752), (28, 2902484), (52, 1562876), (56, 1451242), (91, 893072), (104, 781438), (112, 725621), (182, 446536), (208, 390719), (364, 223268), (728, 111634), (1456, 55817)]