28291621

素因数分解:

${\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 30991680

約数和(自身を除く): 2700059

約数列:

[1, 17, 59, 67, 421, 1003, 1139, 3953, 7157, 24839, 28207, 67201, 422263, 479519, 1664213, 28291621]

約数ペア:

[(1, 28291621), (17, 1664213), (59, 479519), (67, 422263), (421, 67201), (1003, 28207), (1139, 24839), (3953, 7157)]