388680974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{127103}}^1$

素因数の和:127255

約数の個数: 16

約数和(自身を含む): 640604160

約数和(自身を除く): 251923186

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 127103, 254206, 1398133, 2796266, 17667317, 35334634, 194340487, 388680974]

約数ペア:

[(1, 388680974), (2, 194340487), (11, 35334634), (22, 17667317), (139, 2796266), (278, 1398133), (1529, 254206), (3058, 127103)]