28721792

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{20399}}^1$

素因数の和:20424

約数の個数: 32

約数和(自身を含む): 62424000

約数和(自身を除く): 33702208

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 20399, 40798, 81596, 163192, 224389, 326384, 448778, 652768, 897556, 1305536, 1795112, 2611072, 3590224, 7180448, 14360896, 28721792]

約数ペア:

[(1, 28721792), (2, 14360896), (4, 7180448), (8, 3590224), (11, 2611072), (16, 1795112), (22, 1305536), (32, 897556), (44, 652768), (64, 448778), (88, 326384), (128, 224389), (176, 163192), (352, 81596), (704, 40798), (1408, 20399)]