4223947

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 5586000

約数和(自身を除く): 1362053

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 349, 637, 931, 1729, 2443, 4537, 6631, 12103, 17101, 31759, 46417, 86203, 222313, 324919, 603421, 4223947]

約数ペア:

[(1, 4223947), (7, 603421), (13, 324919), (19, 222313), (49, 86203), (91, 46417), (133, 31759), (247, 17101), (349, 12103), (637, 6631), (931, 4537), (1729, 2443)]