209519365

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{1657}}^1$

素因数の和:1714

約数の個数: 32

約数和(自身を含む): 291277440

約数和(自身を除く): 81758075

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 605, 1045, 1331, 1657, 2299, 6655, 8285, 11495, 18227, 25289, 31483, 91135, 126445, 157415, 200497, 346313, 1002485, 1731565, 2205467, 3809443, 11027335, 19047215, 41903873, 209519365]

約数ペア:

[(1, 209519365), (5, 41903873), (11, 19047215), (19, 11027335), (55, 3809443), (95, 2205467), (121, 1731565), (209, 1002485), (605, 346313), (1045, 200497), (1331, 157415), (1657, 126445), (2299, 91135), (6655, 31483), (8285, 25289), (11495, 18227)]