81655518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47419}}^1$

素因数の和:47472

約数の個数: 32

約数和(自身を含む): 191197440

約数和(自身を除く): 109541922

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 47419, 94838, 142257, 284514, 331933, 663866, 995799, 1944179, 1991598, 3888358, 5832537, 11665074, 13609253, 27218506, 40827759, 81655518]

約数ペア:

[(1, 81655518), (2, 40827759), (3, 27218506), (6, 13609253), (7, 11665074), (14, 5832537), (21, 3888358), (41, 1991598), (42, 1944179), (82, 995799), (123, 663866), (246, 331933), (287, 284514), (574, 142257), (861, 94838), (1722, 47419)]