1380491888

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{272179}}^1$

素因数の和:272504

約数の個数: 20

約数和(自身を含む): 2683150440

約数和(自身を除く): 1302658552

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 272179, 544358, 1088716, 2177432, 4354864, 86280743, 172561486, 345122972, 690245944, 1380491888]

約数ペア:

[(1, 1380491888), (2, 690245944), (4, 345122972), (8, 172561486), (16, 86280743), (317, 4354864), (634, 2177432), (1268, 1088716), (2536, 544358), (5072, 272179)]