216759347

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 266747904

約数和(自身を除く): 49988557

約数列:

[1, 7, 31, 47, 53, 217, 329, 371, 401, 1457, 1643, 2491, 2807, 10199, 11501, 12431, 17437, 18847, 21253, 77221, 87017, 131929, 148771, 540547, 584257, 658843, 998891, 4089799, 4611901, 6992237, 30965621, 216759347]

約数ペア:

[(1, 216759347), (7, 30965621), (31, 6992237), (47, 4611901), (53, 4089799), (217, 998891), (329, 658843), (371, 584257), (401, 540547), (1457, 148771), (1643, 131929), (2491, 87017), (2807, 77221), (10199, 21253), (11501, 18847), (12431, 17437)]