203947028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{20129}}^1$

素因数の和:20299

約数の個数: 24

約数和(自身を含む): 380457000

約数和(自身を除く): 176509972

約数列:

[1, 2, 4, 17, 34, 68, 149, 298, 596, 2533, 5066, 10132, 20129, 40258, 80516, 342193, 684386, 1368772, 2999221, 5998442, 11996884, 50986757, 101973514, 203947028]

約数ペア:

[(1, 203947028), (2, 101973514), (4, 50986757), (17, 11996884), (34, 5998442), (68, 2999221), (149, 1368772), (298, 684386), (596, 342193), (2533, 80516), (5066, 40258), (10132, 20129)]