668536418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{69221}}^1$

素因数の和:69673

約数の個数: 16

約数和(自身を含む): 1096476480

約数和(自身を除く): 427940062

約数列:

[1, 2, 11, 22, 439, 878, 4829, 9658, 69221, 138442, 761431, 1522862, 30388019, 60776038, 334268209, 668536418]

約数ペア:

[(1, 668536418), (2, 334268209), (11, 60776038), (22, 30388019), (439, 1522862), (878, 761431), (4829, 138442), (9658, 69221)]