16861456

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{4007}}^1$

素因数の和:4278

約数の個数: 20

約数和(自身を含む): 32801472

約数和(自身を除く): 15940016

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4007, 4208, 8014, 16028, 32056, 64112, 1053841, 2107682, 4215364, 8430728, 16861456]

約数ペア:

[(1, 16861456), (2, 8430728), (4, 4215364), (8, 2107682), (16, 1053841), (263, 64112), (526, 32056), (1052, 16028), (2104, 8014), (4007, 4208)]