68812790

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{63131}}^1$

素因数の和:63247

約数の個数: 16

約数和(自身を含む): 125001360

約数和(自身を除く): 56188570

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 63131, 126262, 315655, 631310, 6881279, 13762558, 34406395, 68812790]

約数ペア:

[(1, 68812790), (2, 34406395), (5, 13762558), (10, 6881279), (109, 631310), (218, 315655), (545, 126262), (1090, 63131)]