208518236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2557}}^1$

素因数の和:2646

約数の個数: 48

約数和(自身を含む): 408256800

約数和(自身を除く): 199738564

約数列:

[1, 2, 4, 19, 29, 37, 38, 58, 74, 76, 116, 148, 551, 703, 1073, 1102, 1406, 2146, 2204, 2557, 2812, 4292, 5114, 10228, 20387, 40774, 48583, 74153, 81548, 94609, 97166, 148306, 189218, 194332, 296612, 378436, 1408907, 1797571, 2743661, 2817814, 3595142, 5487322, 5635628, 7190284, 10974644, 52129559, 104259118, 208518236]

約数ペア:

[(1, 208518236), (2, 104259118), (4, 52129559), (19, 10974644), (29, 7190284), (37, 5635628), (38, 5487322), (58, 3595142), (74, 2817814), (76, 2743661), (116, 1797571), (148, 1408907), (551, 378436), (703, 296612), (1073, 194332), (1102, 189218), (1406, 148306), (2146, 97166), (2204, 94609), (2557, 81548), (2812, 74153), (4292, 48583), (5114, 40774), (10228, 20387)]