28909328

素因数分解:

$2^4\times 7^1\times {\mathrm{258119}}^1$

素因数の和:258134

約数の個数: 20

約数和(自身を含む): 64013760

約数和(自身を除く): 35104432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 258119, 516238, 1032476, 1806833, 2064952, 3613666, 4129904, 7227332, 14454664, 28909328]

約数ペア:

[(1, 28909328), (2, 14454664), (4, 7227332), (7, 4129904), (8, 3613666), (14, 2064952), (16, 1806833), (28, 1032476), (56, 516238), (112, 258119)]