131317984

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18911}}^1$

素因数の和:18959

約数の個数: 48

約数和(自身を含む): 305012736

約数和(自身を除く): 173694752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 6944, 18911, 37822, 75644, 132377, 151288, 264754, 302576, 529508, 586241, 605152, 1059016, 1172482, 2118032, 2344964, 4103687, 4236064, 4689928, 8207374, 9379856, 16414748, 18759712, 32829496, 65658992, 131317984]

約数ペア:

[(1, 131317984), (2, 65658992), (4, 32829496), (7, 18759712), (8, 16414748), (14, 9379856), (16, 8207374), (28, 4689928), (31, 4236064), (32, 4103687), (56, 2344964), (62, 2118032), (112, 1172482), (124, 1059016), (217, 605152), (224, 586241), (248, 529508), (434, 302576), (496, 264754), (868, 151288), (992, 132377), (1736, 75644), (3472, 37822), (6944, 18911)]