1294985478

素因数分解:

$2^1\times 3^1\times {\mathrm{257}}^1\times {\mathrm{839809}}^1$

素因数の和:840071

約数の個数: 16

約数和(自身を含む): 2600051760

約数和(自身を除く): 1305066282

約数列:

[1, 2, 3, 6, 257, 514, 771, 1542, 839809, 1679618, 2519427, 5038854, 215830913, 431661826, 647492739, 1294985478]

約数ペア:

[(1, 1294985478), (2, 647492739), (3, 431661826), (6, 215830913), (257, 5038854), (514, 2519427), (771, 1679618), (1542, 839809)]