408037328

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{80449}}^1$

素因数の和:80774

約数の個数: 20

約数和(自身を含む): 793076100

約数和(自身を除く): 385038772

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 80449, 160898, 321796, 643592, 1287184, 25502333, 51004666, 102009332, 204018664, 408037328]

約数ペア:

[(1, 408037328), (2, 204018664), (4, 102009332), (8, 51004666), (16, 25502333), (317, 1287184), (634, 643592), (1268, 321796), (2536, 160898), (5072, 80449)]