2172272

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1136

約数の個数: 20

約数和(自身を含む): 4243776

約数和(自身を除く): 2071504

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 991, 1096, 1982, 2192, 3964, 7928, 15856, 135767, 271534, 543068, 1086136, 2172272]

約数ペア:

[(1, 2172272), (2, 1086136), (4, 543068), (8, 271534), (16, 135767), (137, 15856), (274, 7928), (548, 3964), (991, 2192), (1096, 1982)]