128589748

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{13159}}^1$

素因数の和:13519

約数の個数: 24

約数和(自身を含む): 257936000

約数和(自身を除く): 129346252

約数列:

[1, 2, 4, 7, 14, 28, 349, 698, 1396, 2443, 4886, 9772, 13159, 26318, 52636, 92113, 184226, 368452, 4592491, 9184982, 18369964, 32147437, 64294874, 128589748]

約数ペア:

[(1, 128589748), (2, 64294874), (4, 32147437), (7, 18369964), (14, 9184982), (28, 4592491), (349, 368452), (698, 184226), (1396, 92113), (2443, 52636), (4886, 26318), (9772, 13159)]