258285886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 415303200

約数和(自身を除く): 157017314

約数列:

[1, 2, 19, 38, 101, 173, 202, 346, 389, 778, 1919, 3287, 3838, 6574, 7391, 14782, 17473, 34946, 39289, 67297, 78578, 134594, 331987, 663974, 746491, 1278643, 1492982, 2557286, 6796997, 13593994, 129142943, 258285886]

約数ペア:

[(1, 258285886), (2, 129142943), (19, 13593994), (38, 6796997), (101, 2557286), (173, 1492982), (202, 1278643), (346, 746491), (389, 663974), (778, 331987), (1919, 134594), (3287, 78578), (3838, 67297), (6574, 39289), (7391, 34946), (14782, 17473)]