30991994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{2663}}^1$

素因数の和:2722

約数の個数: 24

約数和(自身を含む): 53034912

約数和(自身を除く): 22042918

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 529, 1058, 2663, 5326, 5819, 11638, 29293, 58586, 61249, 122498, 673739, 1347478, 1408727, 2817454, 15495997, 30991994]

約数ペア:

[(1, 30991994), (2, 15495997), (11, 2817454), (22, 1408727), (23, 1347478), (46, 673739), (253, 122498), (506, 61249), (529, 58586), (1058, 29293), (2663, 11638), (5326, 5819)]