199465805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{1367}}^1$

素因数の和:1769

約数の個数: 32

約数和(自身を含む): 299427840

約数和(自身を除く): 99962035

約数列:

[1, 5, 7, 11, 35, 55, 77, 379, 385, 1367, 1895, 2653, 4169, 6835, 9569, 13265, 15037, 20845, 29183, 47845, 75185, 105259, 145915, 518093, 526295, 2590465, 3626651, 5699023, 18133255, 28495115, 39893161, 199465805]

約数ペア:

[(1, 199465805), (5, 39893161), (7, 28495115), (11, 18133255), (35, 5699023), (55, 3626651), (77, 2590465), (379, 526295), (385, 518093), (1367, 145915), (1895, 105259), (2653, 75185), (4169, 47845), (6835, 29183), (9569, 20845), (13265, 15037)]