1997006989684

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2707}}^1\times {\mathrm{1386691}}^1$

素因数の和:1389428

約数の個数: 48

約数和(自身を含む): 4205781368320

約数和(自身を除く): 2208774378636

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 2707, 5414, 10828, 18949, 37898, 51433, 75796, 102866, 205732, 360031, 720062, 1386691, 1440124, 2773382, 5546764, 9706837, 19413674, 26347129, 38827348, 52694258, 105388516, 184429903, 368859806, 737719612, 3753772537, 7507545074, 15015090148, 26276407759, 52552815518, 71321678203, 105105631036, 142643356406, 285286712812, 499251747421, 998503494842, 1997006989684]

約数ペア:

[(1, 1997006989684), (2, 998503494842), (4, 499251747421), (7, 285286712812), (14, 142643356406), (19, 105105631036), (28, 71321678203), (38, 52552815518), (76, 26276407759), (133, 15015090148), (266, 7507545074), (532, 3753772537), (2707, 737719612), (5414, 368859806), (10828, 184429903), (18949, 105388516), (37898, 52694258), (51433, 38827348), (75796, 26347129), (102866, 19413674), (205732, 9706837), (360031, 5546764), (720062, 2773382), (1386691, 1440124)]