257942384

素因数分解:

$2^4\times 7^1\times {\mathrm{2303057}}^1$

素因数の和:2303072

約数の個数: 20

約数和(自身を含む): 571158384

約数和(自身を除く): 313216000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2303057, 4606114, 9212228, 16121399, 18424456, 32242798, 36848912, 64485596, 128971192, 257942384]

約数ペア:

[(1, 257942384), (2, 128971192), (4, 64485596), (7, 36848912), (8, 32242798), (14, 18424456), (16, 16121399), (28, 9212228), (56, 4606114), (112, 2303057)]