642116764

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{120427}}^1$

素因数の和:120505

約数の個数: 24

約数和(自身を含む): 1186938368

約数和(自身を除く): 544821604

約数列:

[1, 2, 4, 31, 43, 62, 86, 124, 172, 1333, 2666, 5332, 120427, 240854, 481708, 3733237, 5178361, 7466474, 10356722, 14932948, 20713444, 160529191, 321058382, 642116764]

約数ペア:

[(1, 642116764), (2, 321058382), (4, 160529191), (31, 20713444), (43, 14932948), (62, 10356722), (86, 7466474), (124, 5178361), (172, 3733237), (1333, 481708), (2666, 240854), (5332, 120427)]