39668156

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2066

約数の個数: 36

約数和(自身を含む): 78204000

約数和(自身を除く): 38535844

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 121, 164, 242, 451, 484, 902, 1804, 1999, 3998, 4961, 7996, 9922, 19844, 21989, 43978, 81959, 87956, 163918, 241879, 327836, 483758, 901549, 967516, 1803098, 3606196, 9917039, 19834078, 39668156]

約数ペア:

[(1, 39668156), (2, 19834078), (4, 9917039), (11, 3606196), (22, 1803098), (41, 967516), (44, 901549), (82, 483758), (121, 327836), (164, 241879), (242, 163918), (451, 87956), (484, 81959), (902, 43978), (1804, 21989), (1999, 19844), (3998, 9922), (4961, 7996)]