678359658

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{20071}}^1$

素因数の和:20250

約数の個数: 32

約数和(自身を含む): 1398938112

約数和(自身を除く): 720578454

約数列:

[1, 2, 3, 6, 43, 86, 129, 131, 258, 262, 393, 786, 5633, 11266, 16899, 20071, 33798, 40142, 60213, 120426, 863053, 1726106, 2589159, 2629301, 5178318, 5258602, 7887903, 15775806, 113059943, 226119886, 339179829, 678359658]

約数ペア:

[(1, 678359658), (2, 339179829), (3, 226119886), (6, 113059943), (43, 15775806), (86, 7887903), (129, 5258602), (131, 5178318), (258, 2629301), (262, 2589159), (393, 1726106), (786, 863053), (5633, 120426), (11266, 60213), (16899, 40142), (20071, 33798)]