128645356

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{30427}}^1$

素因数の和:30589

約数の個数: 24

約数和(自身を含む): 259003136

約数和(自身を除く): 130357780

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 30427, 60854, 121708, 212989, 425978, 851956, 4594477, 9188954, 18377908, 32161339, 64322678, 128645356]

約数ペア:

[(1, 128645356), (2, 64322678), (4, 32161339), (7, 18377908), (14, 9188954), (28, 4594477), (151, 851956), (302, 425978), (604, 212989), (1057, 121708), (2114, 60854), (4228, 30427)]