28156622

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 47628000

約数和(自身を除く): 19471378

約数列:

[1, 2, 13, 26, 29, 58, 107, 214, 349, 377, 698, 754, 1391, 2782, 3103, 4537, 6206, 9074, 10121, 20242, 37343, 40339, 74686, 80678, 131573, 263146, 485459, 970918, 1082947, 2165894, 14078311, 28156622]

約数ペア:

[(1, 28156622), (2, 14078311), (13, 2165894), (26, 1082947), (29, 970918), (58, 485459), (107, 263146), (214, 131573), (349, 80678), (377, 74686), (698, 40339), (754, 37343), (1391, 20242), (2782, 10121), (3103, 9074), (4537, 6206)]