187221421

素因数分解:

${\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1\times {\mathrm{389}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 200865600

約数和(自身を除く): 13644179

約数列:

[1, 19, 73, 347, 389, 1387, 6593, 7391, 25331, 28397, 134983, 481289, 539543, 2564677, 9853759, 187221421]

約数ペア:

[(1, 187221421), (19, 9853759), (73, 2564677), (347, 539543), (389, 481289), (1387, 134983), (6593, 28397), (7391, 25331)]