7228991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 9074688

約数和(自身を除く): 1845697

約数列:

[1, 7, 11, 77, 223, 421, 1561, 2453, 2947, 4631, 17171, 32417, 93883, 657181, 1032713, 7228991]

約数ペア:

[(1, 7228991), (7, 1032713), (11, 657181), (77, 93883), (223, 32417), (421, 17171), (1561, 4631), (2453, 2947)]