211056848

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{321733}}^1$

素因数の和:321782

約数の個数: 20

約数和(自身を含む): 418897668

約数和(自身を除く): 207840820

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 321733, 643466, 1286932, 2573864, 5147728, 13191053, 26382106, 52764212, 105528424, 211056848]

約数ペア:

[(1, 211056848), (2, 105528424), (4, 52764212), (8, 26382106), (16, 13191053), (41, 5147728), (82, 2573864), (164, 1286932), (328, 643466), (656, 321733)]