66318928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{318841}}^1$

素因数の和:318862

約数の個数: 20

約数和(自身を含む): 138377428

約数和(自身を除く): 72058500

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 318841, 637682, 1275364, 2550728, 4144933, 5101456, 8289866, 16579732, 33159464, 66318928]

約数ペア:

[(1, 66318928), (2, 33159464), (4, 16579732), (8, 8289866), (13, 5101456), (16, 4144933), (26, 2550728), (52, 1275364), (104, 637682), (208, 318841)]