81581786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{285251}}^1$

素因数の和:285277

約数の個数: 16

約数和(自身を含む): 143767008

約数和(自身を除く): 62185222

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 285251, 570502, 3137761, 3708263, 6275522, 7416526, 40790893, 81581786]

約数ペア:

[(1, 81581786), (2, 40790893), (11, 7416526), (13, 6275522), (22, 3708263), (26, 3137761), (143, 570502), (286, 285251)]