208966484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 393254400

約数和(自身を除く): 184287916

約数列:

[1, 2, 4, 19, 38, 76, 131, 139, 151, 262, 278, 302, 524, 556, 604, 2489, 2641, 2869, 4978, 5282, 5738, 9956, 10564, 11476, 18209, 19781, 20989, 36418, 39562, 41978, 72836, 79124, 83956, 345971, 375839, 398791, 691942, 751678, 797582, 1383884, 1503356, 1595164, 2749559, 5499118, 10998236, 52241621, 104483242, 208966484]

約数ペア:

[(1, 208966484), (2, 104483242), (4, 52241621), (19, 10998236), (38, 5499118), (76, 2749559), (131, 1595164), (139, 1503356), (151, 1383884), (262, 797582), (278, 751678), (302, 691942), (524, 398791), (556, 375839), (604, 345971), (2489, 83956), (2641, 79124), (2869, 72836), (4978, 41978), (5282, 39562), (5738, 36418), (9956, 20989), (10564, 19781), (11476, 18209)]