639469922

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113341}}^1$

素因数の和:113394

約数の個数: 32

約数和(自身を含む): 1218653184

約数和(自身を除く): 579183262

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 113341, 226682, 793387, 1473433, 1586774, 2946866, 3513571, 7027142, 10314031, 20628062, 24594997, 45676423, 49189994, 91352846, 319734961, 639469922]

約数ペア:

[(1, 639469922), (2, 319734961), (7, 91352846), (13, 49189994), (14, 45676423), (26, 24594997), (31, 20628062), (62, 10314031), (91, 7027142), (182, 3513571), (217, 2946866), (403, 1586774), (434, 1473433), (806, 793387), (2821, 226682), (5642, 113341)]