720905438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{306247}}^1$

素因数の和:306367

約数の個数: 16

約数和(自身を含む): 1190692224

約数和(自身を除く): 469786786

約数列:

[1, 2, 11, 22, 107, 214, 1177, 2354, 306247, 612494, 3368717, 6737434, 32768429, 65536858, 360452719, 720905438]

約数ペア:

[(1, 720905438), (2, 360452719), (11, 65536858), (22, 32768429), (107, 6737434), (214, 3368717), (1177, 612494), (2354, 306247)]