81731734

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1180

約数の個数: 32

約数和(自身を含む): 144562176

約数和(自身を除く): 62830442

約数列:

[1, 2, 7, 14, 43, 86, 137, 274, 301, 602, 959, 991, 1918, 1982, 5891, 6937, 11782, 13874, 41237, 42613, 82474, 85226, 135767, 271534, 298291, 596582, 950369, 1900738, 5837981, 11675962, 40865867, 81731734]

約数ペア:

[(1, 81731734), (2, 40865867), (7, 11675962), (14, 5837981), (43, 1900738), (86, 950369), (137, 596582), (274, 298291), (301, 271534), (602, 135767), (959, 85226), (991, 82474), (1918, 42613), (1982, 41237), (5891, 13874), (6937, 11782)]