68970512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{331589}}^1$

素因数の和:331610

約数の個数: 20

約数和(自身を含む): 143910060

約数和(自身を除く): 74939548

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 331589, 663178, 1326356, 2652712, 4310657, 5305424, 8621314, 17242628, 34485256, 68970512]

約数ペア:

[(1, 68970512), (2, 34485256), (4, 17242628), (8, 8621314), (13, 5305424), (16, 4310657), (26, 2652712), (52, 1326356), (104, 663178), (208, 331589)]