78726739

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 100638720

約数和(自身を除く): 21911981

約数列:

[1, 7, 13, 47, 79, 91, 233, 329, 553, 611, 1027, 1631, 3029, 3713, 4277, 7189, 10951, 18407, 21203, 25991, 48269, 76657, 128849, 142363, 239291, 337883, 865129, 996541, 1675037, 6055903, 11246677, 78726739]

約数ペア:

[(1, 78726739), (7, 11246677), (13, 6055903), (47, 1675037), (79, 996541), (91, 865129), (233, 337883), (329, 239291), (553, 142363), (611, 128849), (1027, 76657), (1631, 48269), (3029, 25991), (3713, 21203), (4277, 18407), (7189, 10951)]