686995796

素因数分解:

$2^2\times {\mathrm{331}}^1\times {\mathrm{397}}^1\times {\mathrm{1307}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 1209837216

約数和(自身を除く): 522841420

約数列:

[1, 2, 4, 331, 397, 662, 794, 1307, 1324, 1588, 2614, 5228, 131407, 262814, 432617, 518879, 525628, 865234, 1037758, 1730468, 2075516, 171748949, 343497898, 686995796]

約数ペア:

[(1, 686995796), (2, 343497898), (4, 171748949), (331, 2075516), (397, 1730468), (662, 1037758), (794, 865234), (1307, 525628), (1324, 518879), (1588, 432617), (2614, 262814), (5228, 131407)]