205122995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3833}}^1$

素因数の和:3995

約数の個数: 32

約数和(自身を含む): 309173760

約数和(自身を除く): 104050765

約数列:

[1, 5, 7, 11, 35, 55, 77, 139, 385, 695, 973, 1529, 3833, 4865, 7645, 10703, 19165, 26831, 42163, 53515, 134155, 210815, 295141, 532787, 1475705, 2663935, 3729509, 5860657, 18647545, 29303285, 41024599, 205122995]

約数ペア:

[(1, 205122995), (5, 41024599), (7, 29303285), (11, 18647545), (35, 5860657), (55, 3729509), (77, 2663935), (139, 1475705), (385, 532787), (695, 295141), (973, 210815), (1529, 134155), (3833, 53515), (4865, 42163), (7645, 26831), (10703, 19165)]