66544816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{319927}}^1$

素因数の和:319948

約数の個数: 20

約数和(自身を含む): 138848752

約数和(自身を除く): 72303936

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 319927, 639854, 1279708, 2559416, 4159051, 5118832, 8318102, 16636204, 33272408, 66544816]

約数ペア:

[(1, 66544816), (2, 33272408), (4, 16636204), (8, 8318102), (13, 5118832), (16, 4159051), (26, 2559416), (52, 1279708), (104, 639854), (208, 319927)]