2561251

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:115

約数の個数: 32

約数和(自身を含む): 3502080

約数和(自身を除く): 940829

約数列:

[1, 7, 11, 29, 31, 37, 77, 203, 217, 259, 319, 341, 407, 899, 1073, 1147, 2233, 2387, 2849, 6293, 7511, 8029, 9889, 11803, 12617, 33263, 69223, 82621, 88319, 232841, 365893, 2561251]

約数ペア:

[(1, 2561251), (7, 365893), (11, 232841), (29, 88319), (31, 82621), (37, 69223), (77, 33263), (203, 12617), (217, 11803), (259, 9889), (319, 8029), (341, 7511), (407, 6293), (899, 2849), (1073, 2387), (1147, 2233)]