16689712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{80239}}^1$

素因数の和:80260

約数の個数: 20

約数和(自身を含む): 34824160

約数和(自身を除く): 18134448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 80239, 160478, 320956, 641912, 1043107, 1283824, 2086214, 4172428, 8344856, 16689712]

約数ペア:

[(1, 16689712), (2, 8344856), (4, 4172428), (8, 2086214), (13, 1283824), (16, 1043107), (26, 641912), (52, 320956), (104, 160478), (208, 80239)]