989840878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2239459}}^1$

素因数の和:2239491

約数の個数: 16

約数和(自身を含む): 1693031760

約数和(自身を除く): 703190882

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 2239459, 4478918, 29112967, 38070803, 58225934, 76141606, 494920439, 989840878]

約数ペア:

[(1, 989840878), (2, 494920439), (13, 76141606), (17, 58225934), (26, 38070803), (34, 29112967), (221, 4478918), (442, 2239459)]