81409616

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{86239}}^1$

素因数の和:86306

約数の個数: 20

約数和(自身を含む): 160406400

約数和(自身を除く): 78996784

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 86239, 172478, 344956, 689912, 1379824, 5088101, 10176202, 20352404, 40704808, 81409616]

約数ペア:

[(1, 81409616), (2, 40704808), (4, 20352404), (8, 10176202), (16, 5088101), (59, 1379824), (118, 689912), (236, 344956), (472, 172478), (944, 86239)]