68647579

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 95721696

約数和(自身を除く): 27074117

約数列:

[1, 7, 11, 13, 49, 77, 91, 97, 101, 143, 539, 637, 679, 707, 1001, 1067, 1111, 1261, 1313, 4753, 4949, 7007, 7469, 7777, 8827, 9191, 9797, 13871, 14443, 52283, 54439, 61789, 64337, 68579, 97097, 101101, 107767, 127361, 480053, 679679, 707707, 754369, 891527, 1400971, 5280583, 6240689, 9806797, 68647579]

約数ペア:

[(1, 68647579), (7, 9806797), (11, 6240689), (13, 5280583), (49, 1400971), (77, 891527), (91, 754369), (97, 707707), (101, 679679), (143, 480053), (539, 127361), (637, 107767), (679, 101101), (707, 97097), (1001, 68579), (1067, 64337), (1111, 61789), (1261, 54439), (1313, 52283), (4753, 14443), (4949, 13871), (7007, 9797), (7469, 9191), (7777, 8827)]