15780268

素因数分解:

$2^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2671}}^1$

素因数の和:2893

約数の個数: 24

約数和(自身を含む): 31721984

約数和(自身を除く): 15941716

約数列:

[1, 2, 4, 7, 14, 28, 211, 422, 844, 1477, 2671, 2954, 5342, 5908, 10684, 18697, 37394, 74788, 563581, 1127162, 2254324, 3945067, 7890134, 15780268]

約数ペア:

[(1, 15780268), (2, 7890134), (4, 3945067), (7, 2254324), (14, 1127162), (28, 563581), (211, 74788), (422, 37394), (844, 18697), (1477, 10684), (2671, 5908), (2954, 5342)]