81087790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{68141}}^1$

素因数の和:68172

約数の個数: 32

約数和(自身を含む): 176624064

約数和(自身を除く): 95536274

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 68141, 136282, 340705, 476987, 681410, 953974, 1158397, 2316794, 2384935, 4769870, 5791985, 8108779, 11583970, 16217558, 40543895, 81087790]

約数ペア:

[(1, 81087790), (2, 40543895), (5, 16217558), (7, 11583970), (10, 8108779), (14, 5791985), (17, 4769870), (34, 2384935), (35, 2316794), (70, 1158397), (85, 953974), (119, 681410), (170, 476987), (238, 340705), (595, 136282), (1190, 68141)]