256299134

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{45427}}^1$

素因数の和:45480

約数の個数: 32

約数和(自身を含む): 488441856

約数和(自身を除く): 232142722

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 45427, 90854, 317989, 590551, 635978, 1181102, 1408237, 2816474, 4133857, 8267714, 9857659, 18307081, 19715318, 36614162, 128149567, 256299134]

約数ペア:

[(1, 256299134), (2, 128149567), (7, 36614162), (13, 19715318), (14, 18307081), (26, 9857659), (31, 8267714), (62, 4133857), (91, 2816474), (182, 1408237), (217, 1181102), (403, 635978), (434, 590551), (806, 317989), (2821, 90854), (5642, 45427)]