520080407

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4283}}^1$

素因数の和:4403

約数の個数: 32

約数和(自身を含む): 690923520

約数和(自身を除く): 170843113

約数列:

[1, 7, 11, 19, 77, 83, 133, 209, 581, 913, 1463, 1577, 4283, 6391, 11039, 17347, 29981, 47113, 81377, 121429, 329791, 355489, 569639, 895147, 2488423, 3910379, 6266029, 6754291, 27372653, 47280037, 74297201, 520080407]

約数ペア:

[(1, 520080407), (7, 74297201), (11, 47280037), (19, 27372653), (77, 6754291), (83, 6266029), (133, 3910379), (209, 2488423), (581, 895147), (913, 569639), (1463, 355489), (1577, 329791), (4283, 121429), (6391, 81377), (11039, 47113), (17347, 29981)]