72660721

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{1409}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 85276800

約数和(自身を除く): 12616079

約数列:

[1, 7, 53, 139, 371, 973, 1409, 7367, 9863, 51569, 74677, 195851, 522739, 1370957, 10380103, 72660721]

約数ペア:

[(1, 72660721), (7, 10380103), (53, 1370957), (139, 522739), (371, 195851), (973, 74677), (1409, 51569), (7367, 9863)]