205193516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1987}}^1\times {\mathrm{2347}}^1$

素因数の和:4349

約数の個数: 24

約数和(自身を含む): 392097216

約数和(自身を除く): 186903700

約数列:

[1, 2, 4, 11, 22, 44, 1987, 2347, 3974, 4694, 7948, 9388, 21857, 25817, 43714, 51634, 87428, 103268, 4663489, 9326978, 18653956, 51298379, 102596758, 205193516]

約数ペア:

[(1, 205193516), (2, 102596758), (4, 51298379), (11, 18653956), (22, 9326978), (44, 4663489), (1987, 103268), (2347, 87428), (3974, 51634), (4694, 43714), (7948, 25817), (9388, 21857)]