645488386

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1\times {\mathrm{12589}}^1$

素因数の和:13449

約数の個数: 16

約数和(自身を含む): 1000753920

約数和(自身を除く): 355265534

約数列:

[1, 2, 31, 62, 827, 1654, 12589, 25178, 25637, 51274, 390259, 780518, 10411103, 20822206, 322744193, 645488386]

約数ペア:

[(1, 645488386), (2, 322744193), (31, 20822206), (62, 10411103), (827, 780518), (1654, 390259), (12589, 51274), (25178, 25637)]