51990156

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2621}}^1$

素因数の和:2679

約数の個数: 72

約数和(自身を含む): 143161200

約数和(自身を除く): 91171044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 1044, 1102, 1653, 2204, 2621, 3306, 4959, 5242, 6612, 7863, 9918, 10484, 15726, 19836, 23589, 31452, 47178, 49799, 76009, 94356, 99598, 149397, 152018, 199196, 228027, 298794, 304036, 448191, 456054, 597588, 684081, 896382, 912108, 1368162, 1444171, 1792764, 2736324, 2888342, 4332513, 5776684, 8665026, 12997539, 17330052, 25995078, 51990156]

約数ペア:

[(1, 51990156), (2, 25995078), (3, 17330052), (4, 12997539), (6, 8665026), (9, 5776684), (12, 4332513), (18, 2888342), (19, 2736324), (29, 1792764), (36, 1444171), (38, 1368162), (57, 912108), (58, 896382), (76, 684081), (87, 597588), (114, 456054), (116, 448191), (171, 304036), (174, 298794), (228, 228027), (261, 199196), (342, 152018), (348, 149397), (522, 99598), (551, 94356), (684, 76009), (1044, 49799), (1102, 47178), (1653, 31452), (2204, 23589), (2621, 19836), (3306, 15726), (4959, 10484), (5242, 9918), (6612, 7863)]