9887878

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 20109600

約数和(自身を除く): 10221722

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 121, 143, 154, 182, 242, 286, 449, 847, 898, 1001, 1573, 1694, 2002, 3143, 3146, 4939, 5837, 6286, 9878, 11011, 11674, 22022, 34573, 40859, 54329, 64207, 69146, 81718, 108658, 128414, 380303, 449449, 706277, 760606, 898898, 1412554, 4943939, 9887878]

約数ペア:

[(1, 9887878), (2, 4943939), (7, 1412554), (11, 898898), (13, 760606), (14, 706277), (22, 449449), (26, 380303), (77, 128414), (91, 108658), (121, 81718), (143, 69146), (154, 64207), (182, 54329), (242, 40859), (286, 34573), (449, 22022), (847, 11674), (898, 11011), (1001, 9878), (1573, 6286), (1694, 5837), (2002, 4939), (3143, 3146)]