81721486

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{530659}}^1$

素因数の和:530679

約数の個数: 16

約数和(自身を含む): 152830080

約数和(自身を除く): 71108594

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 530659, 1061318, 3714613, 5837249, 7429226, 11674498, 40860743, 81721486]

約数ペア:

[(1, 81721486), (2, 40860743), (7, 11674498), (11, 7429226), (14, 5837249), (22, 3714613), (77, 1061318), (154, 530659)]