28939864

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1913}}^1$

素因数の和:2011

約数の個数: 32

約数和(自身を含む): 56960640

約数和(自身を除く): 28020776

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 1891, 1913, 3782, 3826, 7564, 7652, 15128, 15304, 59303, 116693, 118606, 233386, 237212, 466772, 474424, 933544, 3617483, 7234966, 14469932, 28939864]

約数ペア:

[(1, 28939864), (2, 14469932), (4, 7234966), (8, 3617483), (31, 933544), (61, 474424), (62, 466772), (122, 237212), (124, 233386), (244, 118606), (248, 116693), (488, 59303), (1891, 15304), (1913, 15128), (3782, 7652), (3826, 7564)]