68810404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{7649}}^1$

素因数の和:7839

約数の個数: 24

約数和(自身を含む): 130447800

約数和(自身を除く): 61637396

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 4498, 7649, 8996, 15298, 30596, 99437, 198874, 397748, 1323277, 2646554, 5293108, 17202601, 34405202, 68810404]

約数ペア:

[(1, 68810404), (2, 34405202), (4, 17202601), (13, 5293108), (26, 2646554), (52, 1323277), (173, 397748), (346, 198874), (692, 99437), (2249, 30596), (4498, 15298), (7649, 8996)]