77897765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 106047360

約数和(自身を除く): 28149595

約数列:

[1, 5, 11, 37, 55, 101, 185, 379, 407, 505, 1111, 1895, 2035, 3737, 4169, 5555, 14023, 18685, 20845, 38279, 41107, 70115, 154253, 191395, 205535, 421069, 771265, 1416323, 2105345, 7081615, 15579553, 77897765]

約数ペア:

[(1, 77897765), (5, 15579553), (11, 7081615), (37, 2105345), (55, 1416323), (101, 771265), (185, 421069), (379, 205535), (407, 191395), (505, 154253), (1111, 70115), (1895, 41107), (2035, 38279), (3737, 20845), (4169, 18685), (5555, 14023)]