320612912

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{646397}}^1$

素因数の和:646436

約数の個数: 20

約数和(自身を含む): 641226816

約数和(自身を除く): 320613904

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 646397, 1292794, 2585588, 5171176, 10342352, 20038307, 40076614, 80153228, 160306456, 320612912]

約数ペア:

[(1, 320612912), (2, 160306456), (4, 80153228), (8, 40076614), (16, 20038307), (31, 10342352), (62, 5171176), (124, 2585588), (248, 1292794), (496, 646397)]