989851156

素因数分解:

$2^2\times 7^2\times {\mathrm{5050261}}^1$

素因数の和:5050279

約数の個数: 18

約数和(自身を含む): 2015054538

約数和(自身を除く): 1025203382

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 5050261, 10100522, 20201044, 35351827, 70703654, 141407308, 247462789, 494925578, 989851156]

約数ペア:

[(1, 989851156), (2, 494925578), (4, 247462789), (7, 141407308), (14, 70703654), (28, 35351827), (49, 20201044), (98, 10100522), (196, 5050261)]