81528818

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{95467}}^1$

素因数の和:95537

約数の個数: 16

約数和(自身を含む): 142056384

約数和(自身を除く): 60527566

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 95467, 190934, 668269, 1336538, 5823487, 11646974, 40764409, 81528818]

約数ペア:

[(1, 81528818), (2, 40764409), (7, 11646974), (14, 5823487), (61, 1336538), (122, 668269), (427, 190934), (854, 95467)]