890243366

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1063}}^1\times {\mathrm{22039}}^1$

素因数の和:23123

約数の個数: 16

約数和(自身を含む): 1407033600

約数和(自身を除く): 516790234

約数列:

[1, 2, 19, 38, 1063, 2126, 20197, 22039, 40394, 44078, 418741, 837482, 23427457, 46854914, 445121683, 890243366]

約数ペア:

[(1, 890243366), (2, 445121683), (19, 46854914), (38, 23427457), (1063, 837482), (2126, 418741), (20197, 44078), (22039, 40394)]