81367846

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{751}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 142940160

約数和(自身を除く): 61572314

約数列:

[1, 2, 7, 14, 71, 109, 142, 218, 497, 751, 763, 994, 1502, 1526, 5257, 7739, 10514, 15478, 53321, 54173, 81859, 106642, 108346, 163718, 373247, 573013, 746494, 1146026, 5811989, 11623978, 40683923, 81367846]

約数ペア:

[(1, 81367846), (2, 40683923), (7, 11623978), (14, 5811989), (71, 1146026), (109, 746494), (142, 573013), (218, 373247), (497, 163718), (751, 108346), (763, 106642), (994, 81859), (1502, 54173), (1526, 53321), (5257, 15478), (7739, 10514)]