123990002

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1\times {\mathrm{2917}}^1$

素因数の和:3373

約数の個数: 16

約数和(自身を含む): 190031832

約数和(自身を除く): 66041830

約数列:

[1, 2, 53, 106, 401, 802, 2917, 5834, 21253, 42506, 154601, 309202, 1169717, 2339434, 61995001, 123990002]

約数ペア:

[(1, 123990002), (2, 61995001), (53, 2339434), (106, 1169717), (401, 309202), (802, 154601), (2917, 42506), (5834, 21253)]