209539746

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{895469}}^1$

素因数の和:895490

約数の個数: 24

約数和(自身を含む): 488926620

約数和(自身を除く): 279386874

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 895469, 1790938, 2686407, 5372814, 8059221, 11641097, 16118442, 23282194, 34923291, 69846582, 104769873, 209539746]

約数ペア:

[(1, 209539746), (2, 104769873), (3, 69846582), (6, 34923291), (9, 23282194), (13, 16118442), (18, 11641097), (26, 8059221), (39, 5372814), (78, 2686407), (117, 1790938), (234, 895469)]