218771215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{6827}}^1$

素因数の和:6891

約数の個数: 32

約数和(自身を含む): 309718080

約数和(自身を除く): 90946865

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 1105, 1885, 2465, 6409, 6827, 32045, 34135, 88751, 116059, 197983, 443755, 580295, 989915, 1508767, 2573779, 3365711, 7543835, 12868895, 16828555, 43754243, 218771215]

約数ペア:

[(1, 218771215), (5, 43754243), (13, 16828555), (17, 12868895), (29, 7543835), (65, 3365711), (85, 2573779), (145, 1508767), (221, 989915), (377, 580295), (493, 443755), (1105, 197983), (1885, 116059), (2465, 88751), (6409, 34135), (6827, 32045)]