2981924

素因数分解:

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

素因数の和:188

約数の個数: 36

約数和(自身を含む): 5887644

約数和(自身を除く): 2905720

約数列:

[1, 2, 4, 11, 22, 44, 61, 101, 121, 122, 202, 242, 244, 404, 484, 671, 1111, 1342, 2222, 2684, 4444, 6161, 7381, 12221, 12322, 14762, 24442, 24644, 29524, 48884, 67771, 135542, 271084, 745481, 1490962, 2981924]

約数ペア:

[(1, 2981924), (2, 1490962), (4, 745481), (11, 271084), (22, 135542), (44, 67771), (61, 48884), (101, 29524), (121, 24644), (122, 24442), (202, 14762), (242, 12322), (244, 12221), (404, 7381), (484, 6161), (671, 4444), (1111, 2684), (1342, 2222)]