128537728

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{91291}}^1$

素因数の和:91316

約数の個数: 32

約数和(自身を含む): 279353520

約数和(自身を除く): 150815792

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 91291, 182582, 365164, 730328, 1004201, 1460656, 2008402, 2921312, 4016804, 5842624, 8033608, 11685248, 16067216, 32134432, 64268864, 128537728]

約数ペア:

[(1, 128537728), (2, 64268864), (4, 32134432), (8, 16067216), (11, 11685248), (16, 8033608), (22, 5842624), (32, 4016804), (44, 2921312), (64, 2008402), (88, 1460656), (128, 1004201), (176, 730328), (352, 365164), (704, 182582), (1408, 91291)]