677456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3257}}^1$

素因数の和:3278

約数の個数: 20

約数和(自身を含む): 1413972

約数和(自身を除く): 736516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3257, 6514, 13028, 26056, 42341, 52112, 84682, 169364, 338728, 677456]

約数ペア:

[(1, 677456), (2, 338728), (4, 169364), (8, 84682), (13, 52112), (16, 42341), (26, 26056), (52, 13028), (104, 6514), (208, 3257)]