208885556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{20731}}^1$

素因数の和:20975

約数の個数: 24

約数和(自身を含む): 400542240

約数和(自身を除く): 191656684

約数列:

[1, 2, 4, 11, 22, 44, 229, 458, 916, 2519, 5038, 10076, 20731, 41462, 82924, 228041, 456082, 912164, 4747399, 9494798, 18989596, 52221389, 104442778, 208885556]

約数ペア:

[(1, 208885556), (2, 104442778), (4, 52221389), (11, 18989596), (22, 9494798), (44, 4747399), (229, 912164), (458, 456082), (916, 228041), (2519, 82924), (5038, 41462), (10076, 20731)]