1996999004

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{45341}}^1$

素因数の和:45387

約数の個数: 72

約数和(自身を含む): 4727901024

約数和(自身を除く): 2730902020

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 121, 143, 154, 182, 242, 286, 308, 364, 484, 572, 847, 1001, 1573, 1694, 2002, 3146, 3388, 4004, 6292, 11011, 22022, 44044, 45341, 90682, 181364, 317387, 498751, 589433, 634774, 997502, 1178866, 1269548, 1995004, 2357732, 3491257, 4126031, 5486261, 6483763, 6982514, 8252062, 10972522, 12967526, 13965028, 16504124, 21945044, 25935052, 38403827, 45386341, 71321393, 76807654, 90772682, 142642786, 153615308, 181545364, 285285572, 499249751, 998499502, 1996999004]

約数ペア:

[(1, 1996999004), (2, 998499502), (4, 499249751), (7, 285285572), (11, 181545364), (13, 153615308), (14, 142642786), (22, 90772682), (26, 76807654), (28, 71321393), (44, 45386341), (52, 38403827), (77, 25935052), (91, 21945044), (121, 16504124), (143, 13965028), (154, 12967526), (182, 10972522), (242, 8252062), (286, 6982514), (308, 6483763), (364, 5486261), (484, 4126031), (572, 3491257), (847, 2357732), (1001, 1995004), (1573, 1269548), (1694, 1178866), (2002, 997502), (3146, 634774), (3388, 589433), (4004, 498751), (6292, 317387), (11011, 181364), (22022, 90682), (44044, 45341)]