26719985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 35819520

約数和(自身を除く): 9099535

約数列:

[1, 5, 19, 31, 43, 95, 155, 211, 215, 589, 817, 1055, 1333, 2945, 4009, 4085, 6541, 6665, 9073, 20045, 25327, 32705, 45365, 124279, 126635, 172387, 281263, 621395, 861935, 1406315, 5343997, 26719985]

約数ペア:

[(1, 26719985), (5, 5343997), (19, 1406315), (31, 861935), (43, 621395), (95, 281263), (155, 172387), (211, 126635), (215, 124279), (589, 45365), (817, 32705), (1055, 25327), (1333, 20045), (2945, 9073), (4009, 6665), (4085, 6541)]