208039778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1049}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 349272000

約数和(自身を除く): 141232222

約数列:

[1, 2, 17, 19, 34, 38, 307, 323, 614, 646, 1049, 2098, 5219, 5833, 10438, 11666, 17833, 19931, 35666, 39862, 99161, 198322, 322043, 338827, 644086, 677654, 5474731, 6118817, 10949462, 12237634, 104019889, 208039778]

約数ペア:

[(1, 208039778), (2, 104019889), (17, 12237634), (19, 10949462), (34, 6118817), (38, 5474731), (307, 677654), (323, 644086), (614, 338827), (646, 322043), (1049, 198322), (2098, 99161), (5219, 39862), (5833, 35666), (10438, 19931), (11666, 17833)]