164214128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{789491}}^1$

素因数の和:789512

約数の個数: 20

約数和(自身を含む): 342639528

約数和(自身を除く): 178425400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 789491, 1578982, 3157964, 6315928, 10263383, 12631856, 20526766, 41053532, 82107064, 164214128]

約数ペア:

[(1, 164214128), (2, 82107064), (4, 41053532), (8, 20526766), (13, 12631856), (16, 10263383), (26, 6315928), (52, 3157964), (104, 1578982), (208, 789491)]