637318484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{2351}}^1$

素因数の和:2528

約数の個数: 48

約数和(自身を含む): 1249420032

約数和(自身を除く): 612101548

約数列:

[1, 2, 4, 11, 22, 44, 61, 101, 122, 202, 244, 404, 671, 1111, 1342, 2222, 2351, 2684, 4444, 4702, 6161, 9404, 12322, 24644, 25861, 51722, 67771, 103444, 135542, 143411, 237451, 271084, 286822, 474902, 573644, 949804, 1577521, 2611961, 3155042, 5223922, 6310084, 10447844, 14484511, 28969022, 57938044, 159329621, 318659242, 637318484]

約数ペア:

[(1, 637318484), (2, 318659242), (4, 159329621), (11, 57938044), (22, 28969022), (44, 14484511), (61, 10447844), (101, 6310084), (122, 5223922), (202, 3155042), (244, 2611961), (404, 1577521), (671, 949804), (1111, 573644), (1342, 474902), (2222, 286822), (2351, 271084), (2684, 237451), (4444, 143411), (4702, 135542), (6161, 103444), (9404, 67771), (12322, 51722), (24644, 25861)]