81078998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{40499}}^1$

素因数の和:40532

約数の個数: 32

約数和(自身を含む): 163296000

約数和(自身を除く): 82217002

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 40499, 80998, 283493, 445489, 526487, 566986, 890978, 1052974, 3118423, 3685409, 5791357, 6236846, 7370818, 11582714, 40539499, 81078998]

約数ペア:

[(1, 81078998), (2, 40539499), (7, 11582714), (11, 7370818), (13, 6236846), (14, 5791357), (22, 3685409), (26, 3118423), (77, 1052974), (91, 890978), (143, 566986), (154, 526487), (182, 445489), (286, 283493), (1001, 80998), (2002, 40499)]