1961710140208

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{20109379}}^1$

素因数の和:20109474

約数の個数: 80

約数和(自身を含む): 4747744180480

約数和(自身を除く): 2786034040272

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 67, 91, 104, 112, 134, 182, 208, 268, 364, 469, 536, 728, 871, 938, 1072, 1456, 1742, 1876, 3484, 3752, 6097, 6968, 7504, 12194, 13936, 24388, 48776, 97552, 20109379, 40218758, 80437516, 140765653, 160875032, 261421927, 281531306, 321750064, 522843854, 563062612, 1045687708, 1126125224, 1347328393, 1829953489, 2091375416, 2252250448, 2694656786, 3659906978, 4182750832, 5389313572, 7319813956, 9431298751, 10778627144, 14639627912, 17515269109, 18862597502, 21557254288, 29279255824, 35030538218, 37725195004, 70061076436, 75450390008, 122606883763, 140122152872, 150900780016, 245213767526, 280244305744, 490427535052, 980855070104, 1961710140208]

約数ペア:

[(1, 1961710140208), (2, 980855070104), (4, 490427535052), (7, 280244305744), (8, 245213767526), (13, 150900780016), (14, 140122152872), (16, 122606883763), (26, 75450390008), (28, 70061076436), (52, 37725195004), (56, 35030538218), (67, 29279255824), (91, 21557254288), (104, 18862597502), (112, 17515269109), (134, 14639627912), (182, 10778627144), (208, 9431298751), (268, 7319813956), (364, 5389313572), (469, 4182750832), (536, 3659906978), (728, 2694656786), (871, 2252250448), (938, 2091375416), (1072, 1829953489), (1456, 1347328393), (1742, 1126125224), (1876, 1045687708), (3484, 563062612), (3752, 522843854), (6097, 321750064), (6968, 281531306), (7504, 261421927), (12194, 160875032), (13936, 140765653), (24388, 80437516), (48776, 40218758), (97552, 20109379)]