1985451721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{24421}}^1$

素因数の和:24840

約数の個数: 16

約数和(自身を含む): 2285899200

約数和(自身を除く): 300447479

約数列:

[1, 11, 19, 209, 389, 4279, 7391, 24421, 81301, 268631, 463999, 5103989, 9499769, 104497459, 180495611, 1985451721]

約数ペア:

[(1, 1985451721), (11, 180495611), (19, 104497459), (209, 9499769), (389, 5103989), (4279, 463999), (7391, 268631), (24421, 81301)]