81835312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3677}}^1$

素因数の和:3805

約数の個数: 40

約数和(自身を含む): 172395216

約数和(自身を除く): 90559904

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 107, 208, 214, 428, 856, 1391, 1712, 2782, 3677, 5564, 7354, 11128, 14708, 22256, 29416, 47801, 58832, 95602, 191204, 382408, 393439, 764816, 786878, 1573756, 3147512, 5114707, 6295024, 10229414, 20458828, 40917656, 81835312]

約数ペア:

[(1, 81835312), (2, 40917656), (4, 20458828), (8, 10229414), (13, 6295024), (16, 5114707), (26, 3147512), (52, 1573756), (104, 786878), (107, 764816), (208, 393439), (214, 382408), (428, 191204), (856, 95602), (1391, 58832), (1712, 47801), (2782, 29416), (3677, 22256), (5564, 14708), (7354, 11128)]