28678342

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2551}}^1$

素因数の和:2644

約数の個数: 32

約数和(自身を含む): 54388224

約数和(自身を除く): 25709882

約数列:

[1, 2, 7, 11, 14, 22, 73, 77, 146, 154, 511, 803, 1022, 1606, 2551, 5102, 5621, 11242, 17857, 28061, 35714, 56122, 186223, 196427, 372446, 392854, 1303561, 2048453, 2607122, 4096906, 14339171, 28678342]

約数ペア:

[(1, 28678342), (2, 14339171), (7, 4096906), (11, 2607122), (14, 2048453), (22, 1303561), (73, 392854), (77, 372446), (146, 196427), (154, 186223), (511, 56122), (803, 35714), (1022, 28061), (1606, 17857), (2551, 11242), (5102, 5621)]