28527037

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:122

約数の個数: 64

約数和(自身を含む): 42024960

約数和(自身を除く): 13497923

約数列:

[1, 7, 11, 17, 19, 31, 37, 77, 119, 133, 187, 209, 217, 259, 323, 341, 407, 527, 589, 629, 703, 1147, 1309, 1463, 2261, 2387, 2849, 3553, 3689, 4123, 4403, 4921, 5797, 6479, 6919, 7733, 8029, 10013, 11951, 12617, 19499, 21793, 24871, 40579, 45353, 48433, 54131, 70091, 83657, 88319, 110143, 131461, 136493, 152551, 214489, 239723, 370481, 771001, 920227, 1501423, 1678061, 2593367, 4075291, 28527037]

約数ペア:

[(1, 28527037), (7, 4075291), (11, 2593367), (17, 1678061), (19, 1501423), (31, 920227), (37, 771001), (77, 370481), (119, 239723), (133, 214489), (187, 152551), (209, 136493), (217, 131461), (259, 110143), (323, 88319), (341, 83657), (407, 70091), (527, 54131), (589, 48433), (629, 45353), (703, 40579), (1147, 24871), (1309, 21793), (1463, 19499), (2261, 12617), (2387, 11951), (2849, 10013), (3553, 8029), (3689, 7733), (4123, 6919), (4403, 6479), (4921, 5797)]