81712878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{6427}}^1$

素因数の和:6608

約数の個数: 32

約数和(自身を含む): 177104256

約数和(自身を除く): 95391378

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 163, 326, 489, 978, 2119, 4238, 6357, 6427, 12714, 12854, 19281, 38562, 83551, 167102, 250653, 501306, 1047601, 2095202, 3142803, 6285606, 13618813, 27237626, 40856439, 81712878]

約数ペア:

[(1, 81712878), (2, 40856439), (3, 27237626), (6, 13618813), (13, 6285606), (26, 3142803), (39, 2095202), (78, 1047601), (163, 501306), (326, 250653), (489, 167102), (978, 83551), (2119, 38562), (4238, 19281), (6357, 12854), (6427, 12714)]