1221995426

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{41081}}^1$

素因数の和:41329

約数の個数: 16

約数和(自身を含む): 1863479520

約数和(自身を除く): 641484094

約数列:

[1, 2, 107, 139, 214, 278, 14873, 29746, 41081, 82162, 4395667, 5710259, 8791334, 11420518, 610997713, 1221995426]

約数ペア:

[(1, 1221995426), (2, 610997713), (107, 11420518), (139, 8791334), (214, 5710259), (278, 4395667), (14873, 82162), (29746, 41081)]