388640223

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 612930240

約数和(自身を除く): 224290017

約数列:

[1, 3, 9, 23, 29, 69, 87, 101, 207, 261, 303, 641, 667, 909, 1923, 2001, 2323, 2929, 5769, 6003, 6969, 8787, 14743, 18589, 20907, 26361, 44229, 55767, 64741, 67367, 132687, 167301, 194223, 202101, 427547, 582669, 606303, 1282641, 1489043, 1877489, 3847923, 4467129, 5632467, 13401387, 16897401, 43182247, 129546741, 388640223]

約数ペア:

[(1, 388640223), (3, 129546741), (9, 43182247), (23, 16897401), (29, 13401387), (69, 5632467), (87, 4467129), (101, 3847923), (207, 1877489), (261, 1489043), (303, 1282641), (641, 606303), (667, 582669), (909, 427547), (1923, 202101), (2001, 194223), (2323, 167301), (2929, 132687), (5769, 67367), (6003, 64741), (6969, 55767), (8787, 44229), (14743, 26361), (18589, 20907)]