487978557

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{641}}^1$

素因数の和:754

約数の個数: 64

約数和(自身を含む): 798750720

約数和(自身を除く): 310772163

約数列:

[1, 3, 11, 17, 23, 33, 51, 59, 69, 177, 187, 253, 391, 561, 641, 649, 759, 1003, 1173, 1357, 1923, 1947, 3009, 4071, 4301, 7051, 10897, 11033, 12903, 14743, 14927, 21153, 23069, 32691, 33099, 37819, 44229, 44781, 69207, 113457, 119867, 162173, 250631, 253759, 359601, 416009, 486519, 642923, 751893, 761277, 869837, 1248027, 1928769, 2609511, 2756941, 7072153, 8270823, 9568207, 14787229, 21216459, 28704621, 44361687, 162659519, 487978557]

約数ペア:

[(1, 487978557), (3, 162659519), (11, 44361687), (17, 28704621), (23, 21216459), (33, 14787229), (51, 9568207), (59, 8270823), (69, 7072153), (177, 2756941), (187, 2609511), (253, 1928769), (391, 1248027), (561, 869837), (641, 761277), (649, 751893), (759, 642923), (1003, 486519), (1173, 416009), (1357, 359601), (1923, 253759), (1947, 250631), (3009, 162173), (4071, 119867), (4301, 113457), (7051, 69207), (10897, 44781), (11033, 44229), (12903, 37819), (14743, 33099), (14927, 32691), (21153, 23069)]