28271572

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12781}}^1$

素因数の和:12871

約数の個数: 24

約数和(自身を含む): 57263360

約数和(自身を除く): 28991788

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 12781, 25562, 51124, 89467, 178934, 357868, 1009699, 2019398, 4038796, 7067893, 14135786, 28271572]

約数ペア:

[(1, 28271572), (2, 14135786), (4, 7067893), (7, 4038796), (14, 2019398), (28, 1009699), (79, 357868), (158, 178934), (316, 89467), (553, 51124), (1106, 25562), (2212, 12781)]