638480213248

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{133109}}^1$

素因数の和:133623

約数の個数: 72

約数和(自身を含む): 1308417523560

約数和(自身を除く): 669937310312

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 457, 656, 914, 1312, 1828, 2624, 3656, 5248, 7312, 10496, 14624, 18737, 29248, 37474, 58496, 74948, 116992, 133109, 149896, 266218, 299792, 532436, 599584, 1064872, 1199168, 2129744, 2398336, 4259488, 4796672, 5457469, 8518976, 10914938, 17037952, 21829876, 34075904, 43659752, 60830813, 87319504, 121661626, 174639008, 243323252, 349278016, 486646504, 698556032, 973293008, 1397112064, 1946586016, 2494063333, 3893172032, 4988126666, 7786344064, 9976253332, 15572688128, 19952506664, 39905013328, 79810026656, 159620053312, 319240106624, 638480213248]

約数ペア:

[(1, 638480213248), (2, 319240106624), (4, 159620053312), (8, 79810026656), (16, 39905013328), (32, 19952506664), (41, 15572688128), (64, 9976253332), (82, 7786344064), (128, 4988126666), (164, 3893172032), (256, 2494063333), (328, 1946586016), (457, 1397112064), (656, 973293008), (914, 698556032), (1312, 486646504), (1828, 349278016), (2624, 243323252), (3656, 174639008), (5248, 121661626), (7312, 87319504), (10496, 60830813), (14624, 43659752), (18737, 34075904), (29248, 21829876), (37474, 17037952), (58496, 10914938), (74948, 8518976), (116992, 5457469), (133109, 4796672), (149896, 4259488), (266218, 2398336), (299792, 2129744), (532436, 1199168), (599584, 1064872)]