71322979

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 96526080

約数和(自身を除く): 25203101

約数列:

[1, 7, 13, 19, 49, 71, 83, 91, 133, 247, 497, 581, 637, 923, 931, 1079, 1349, 1577, 1729, 3479, 4067, 5893, 6461, 7553, 9443, 11039, 12103, 17537, 20501, 41251, 45227, 52871, 66101, 76609, 77273, 111967, 122759, 143507, 288757, 536263, 783769, 859313, 1004549, 1455571, 3753841, 5486383, 10188997, 71322979]

約数ペア:

[(1, 71322979), (7, 10188997), (13, 5486383), (19, 3753841), (49, 1455571), (71, 1004549), (83, 859313), (91, 783769), (133, 536263), (247, 288757), (497, 143507), (581, 122759), (637, 111967), (923, 77273), (931, 76609), (1079, 66101), (1349, 52871), (1577, 45227), (1729, 41251), (3479, 20501), (4067, 17537), (5893, 12103), (6461, 11039), (7553, 9443)]