82421872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{396259}}^1$

素因数の和:396280

約数の個数: 20

約数和(自身を含む): 171976840

約数和(自身を除く): 89554968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 396259, 792518, 1585036, 3170072, 5151367, 6340144, 10302734, 20605468, 41210936, 82421872]

約数ペア:

[(1, 82421872), (2, 41210936), (4, 20605468), (8, 10302734), (13, 6340144), (16, 5151367), (26, 3170072), (52, 1585036), (104, 792518), (208, 396259)]