28782978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1709}}^1$

素因数の和:2122

約数の個数: 32

約数和(自身を含む): 65992320

約数和(自身を除く): 37209342

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 401, 802, 1203, 1709, 2406, 2807, 3418, 5127, 5614, 8421, 10254, 11963, 16842, 23926, 35889, 71778, 685309, 1370618, 2055927, 4111854, 4797163, 9594326, 14391489, 28782978]

約数ペア:

[(1, 28782978), (2, 14391489), (3, 9594326), (6, 4797163), (7, 4111854), (14, 2055927), (21, 1370618), (42, 685309), (401, 71778), (802, 35889), (1203, 23926), (1709, 16842), (2406, 11963), (2807, 10254), (3418, 8421), (5127, 5614)]