28485128

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2281}}^1$

素因数の和:2517

約数の個数: 32

約数和(自身を含む): 61340160

約数和(自身を除く): 32855032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1784, 2281, 3122, 4562, 6244, 9124, 12488, 15967, 18248, 31934, 63868, 127736, 508663, 1017326, 2034652, 3560641, 4069304, 7121282, 14242564, 28485128]

約数ペア:

[(1, 28485128), (2, 14242564), (4, 7121282), (7, 4069304), (8, 3560641), (14, 2034652), (28, 1017326), (56, 508663), (223, 127736), (446, 63868), (892, 31934), (1561, 18248), (1784, 15967), (2281, 12488), (3122, 9124), (4562, 6244)]