220671508

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{257}}^1\times {\mathrm{2213}}^1$

素因数の和:2571

約数の個数: 24

約数和(自身を含む): 391851432

約数和(自身を除く): 171179924

約数列:

[1, 2, 4, 97, 194, 257, 388, 514, 1028, 2213, 4426, 8852, 24929, 49858, 99716, 214661, 429322, 568741, 858644, 1137482, 2274964, 55167877, 110335754, 220671508]

約数ペア:

[(1, 220671508), (2, 110335754), (4, 55167877), (97, 2274964), (194, 1137482), (257, 858644), (388, 568741), (514, 429322), (1028, 214661), (2213, 99716), (4426, 49858), (8852, 24929)]