81993518

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{9829}}^1$

素因数の和:9971

約数の個数: 16

約数和(自身を含む): 127160880

約数和(自身を除く): 45167362

約数列:

[1, 2, 43, 86, 97, 194, 4171, 8342, 9829, 19658, 422647, 845294, 953413, 1906826, 40996759, 81993518]

約数ペア:

[(1, 81993518), (2, 40996759), (43, 1906826), (86, 953413), (97, 845294), (194, 422647), (4171, 19658), (8342, 9829)]