81427696

素因数分解:

$2^4\times 7^1\times {\mathrm{829}}^1\times {\mathrm{877}}^1$

素因数の和:1721

約数の個数: 40

約数和(自身を含む): 180727520

約数和(自身を除く): 99299824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 829, 877, 1658, 1754, 3316, 3508, 5803, 6139, 6632, 7016, 11606, 12278, 13264, 14032, 23212, 24556, 46424, 49112, 92848, 98224, 727033, 1454066, 2908132, 5089231, 5816264, 10178462, 11632528, 20356924, 40713848, 81427696]

約数ペア:

[(1, 81427696), (2, 40713848), (4, 20356924), (7, 11632528), (8, 10178462), (14, 5816264), (16, 5089231), (28, 2908132), (56, 1454066), (112, 727033), (829, 98224), (877, 92848), (1658, 49112), (1754, 46424), (3316, 24556), (3508, 23212), (5803, 14032), (6139, 13264), (6632, 12278), (7016, 11606)]