16686890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{5231}}^1$

素因数の和:5278

約数の個数: 32

約数和(自身を含む): 33903360

約数和(自身を除く): 17216470

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 5231, 10462, 26155, 52310, 57541, 115082, 151699, 287705, 303398, 575410, 758495, 1516990, 1668689, 3337378, 8343445, 16686890]

約数ペア:

[(1, 16686890), (2, 8343445), (5, 3337378), (10, 1668689), (11, 1516990), (22, 758495), (29, 575410), (55, 303398), (58, 287705), (110, 151699), (145, 115082), (290, 57541), (319, 52310), (638, 26155), (1595, 10462), (3190, 5231)]