12777778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28909}}^1$

素因数の和:28941

約数の個数: 16

約数和(自身を含む): 21855960

約数和(自身を除く): 9078182

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 28909, 57818, 375817, 491453, 751634, 982906, 6388889, 12777778]

約数ペア:

[(1, 12777778), (2, 6388889), (13, 982906), (17, 751634), (26, 491453), (34, 375817), (221, 57818), (442, 28909)]