808429004

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{20479}}^1$

素因数の和:20693

約数の個数: 24

約数和(自身を含む): 1445068800

約数和(自身を除く): 636639796

約数列:

[1, 2, 4, 71, 139, 142, 278, 284, 556, 9869, 19738, 20479, 39476, 40958, 81916, 1454009, 2846581, 2908018, 5693162, 5816036, 11386324, 202107251, 404214502, 808429004]

約数ペア:

[(1, 808429004), (2, 404214502), (4, 202107251), (71, 11386324), (139, 5816036), (142, 5693162), (278, 2908018), (284, 2846581), (556, 1454009), (9869, 81916), (19738, 40958), (20479, 39476)]