209899081

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1\times {\mathrm{2113}}^1$

素因数の和:2760

約数の個数: 16

約数和(自身を含む): 250838784

約数和(自身を除く): 40939703

約数列:

[1, 7, 23, 161, 617, 2113, 4319, 14191, 14791, 48599, 99337, 340193, 1303721, 9126047, 29985583, 209899081]

約数ペア:

[(1, 209899081), (7, 29985583), (23, 9126047), (161, 1303721), (617, 340193), (2113, 99337), (4319, 48599), (14191, 14791)]