281639668

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{9697}}^1$

素因数の和:9891

約数の個数: 24

約数和(自身を含む): 505886472

約数和(自身を除く): 224246804

約数列:

[1, 2, 4, 53, 106, 137, 212, 274, 548, 7261, 9697, 14522, 19394, 29044, 38788, 513941, 1027882, 1328489, 2055764, 2656978, 5313956, 70409917, 140819834, 281639668]

約数ペア:

[(1, 281639668), (2, 140819834), (4, 70409917), (53, 5313956), (106, 2656978), (137, 2055764), (212, 1328489), (274, 1027882), (548, 513941), (7261, 38788), (9697, 29044), (14522, 19394)]