1279387514

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{1489}}^1$

素因数の和:1734

約数の個数: 32

約数和(自身を含む): 2004562560

約数和(自身を除く): 725175046

約数列:

[1, 2, 43, 86, 97, 103, 194, 206, 1489, 2978, 4171, 4429, 8342, 8858, 9991, 19982, 64027, 128054, 144433, 153367, 288866, 306734, 429613, 859226, 6210619, 6594781, 12421238, 13189562, 14876599, 29753198, 639693757, 1279387514]

約数ペア:

[(1, 1279387514), (2, 639693757), (43, 29753198), (86, 14876599), (97, 13189562), (103, 12421238), (194, 6594781), (206, 6210619), (1489, 859226), (2978, 429613), (4171, 306734), (4429, 288866), (8342, 153367), (8858, 144433), (9991, 128054), (19982, 64027)]