681731204

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2213413}}^1$

素因数の和:2213435

約数の個数: 24

約数和(自身を含む): 1487414208

約数和(自身を除く): 805683004

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 2213413, 4426826, 8853652, 15493891, 24347543, 30987782, 48695086, 61975564, 97390172, 170432801, 340865602, 681731204]

約数ペア:

[(1, 681731204), (2, 340865602), (4, 170432801), (7, 97390172), (11, 61975564), (14, 48695086), (22, 30987782), (28, 24347543), (44, 15493891), (77, 8853652), (154, 4426826), (308, 2213413)]