28057218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{668029}}^1$

素因数の和:668041

約数の個数: 16

約数和(自身を含む): 64130880

約数和(自身を除く): 36073662

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 668029, 1336058, 2004087, 4008174, 4676203, 9352406, 14028609, 28057218]

約数ペア:

[(1, 28057218), (2, 14028609), (3, 9352406), (6, 4676203), (7, 4008174), (14, 2004087), (21, 1336058), (42, 668029)]