80490982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{21649}}^1$

素因数の和:21688

約数の個数: 24

約数和(自身を含む): 142630200

約数和(自身を除く): 62139218

約数列:

[1, 2, 11, 13, 22, 26, 143, 169, 286, 338, 1859, 3718, 21649, 43298, 238139, 281437, 476278, 562874, 3095807, 3658681, 6191614, 7317362, 40245491, 80490982]

約数ペア:

[(1, 80490982), (2, 40245491), (11, 7317362), (13, 6191614), (22, 3658681), (26, 3095807), (143, 562874), (169, 476278), (286, 281437), (338, 238139), (1859, 43298), (3718, 21649)]