28243976

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1867}}^1$

素因数の和:1965

約数の個数: 32

約数和(自身を含む): 55591680

約数和(自身を除く): 27347704

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 1867, 1891, 3734, 3782, 7468, 7564, 14936, 15128, 57877, 113887, 115754, 227774, 231508, 455548, 463016, 911096, 3530497, 7060994, 14121988, 28243976]

約数ペア:

[(1, 28243976), (2, 14121988), (4, 7060994), (8, 3530497), (31, 911096), (61, 463016), (62, 455548), (122, 231508), (124, 227774), (244, 115754), (248, 113887), (488, 57877), (1867, 15128), (1891, 14936), (3734, 7564), (3782, 7468)]