691114

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 16

約数和(自身を含む): 1092096

約数和(自身を除く): 400982

約数列:

[1, 2, 31, 62, 71, 142, 157, 314, 2201, 4402, 4867, 9734, 11147, 22294, 345557, 691114]

約数ペア:

[(1, 691114), (2, 345557), (31, 22294), (62, 11147), (71, 9734), (142, 4867), (157, 4402), (314, 2201)]