2685995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 24

約数和(自身を含む): 3670128

約数和(自身を除く): 984133

約数列:

[1, 5, 13, 31, 43, 65, 155, 215, 403, 559, 961, 1333, 2015, 2795, 4805, 6665, 12493, 17329, 41323, 62465, 86645, 206615, 537199, 2685995]

約数ペア:

[(1, 2685995), (5, 537199), (13, 206615), (31, 86645), (43, 62465), (65, 41323), (155, 17329), (215, 12493), (403, 6665), (559, 4805), (961, 2795), (1333, 2015)]