647877892

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{557}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 1214922240

約数和(自身を除く): 567044348

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 269, 538, 557, 1076, 1081, 1114, 2162, 2228, 4324, 6187, 12374, 12643, 12811, 24748, 25286, 25622, 26179, 50572, 51244, 52358, 104716, 149833, 290789, 299666, 581578, 599332, 602117, 1163156, 1204234, 2408468, 3446159, 6892318, 7042151, 13784636, 14084302, 28168604, 161969473, 323938946, 647877892]

約数ペア:

[(1, 647877892), (2, 323938946), (4, 161969473), (23, 28168604), (46, 14084302), (47, 13784636), (92, 7042151), (94, 6892318), (188, 3446159), (269, 2408468), (538, 1204234), (557, 1163156), (1076, 602117), (1081, 599332), (1114, 581578), (2162, 299666), (2228, 290789), (4324, 149833), (6187, 104716), (12374, 52358), (12643, 51244), (12811, 50572), (24748, 26179), (25286, 25622)]