16868556

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:711

約数の個数: 72

約数和(自身を含む): 46270224

約数和(自身を除く): 29401668

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 43, 51, 68, 86, 102, 129, 153, 172, 204, 258, 306, 387, 516, 612, 641, 731, 774, 1282, 1462, 1548, 1923, 2193, 2564, 2924, 3846, 4386, 5769, 6579, 7692, 8772, 10897, 11538, 13158, 21794, 23076, 26316, 27563, 32691, 43588, 55126, 65382, 82689, 98073, 110252, 130764, 165378, 196146, 248067, 330756, 392292, 468571, 496134, 937142, 992268, 1405713, 1874284, 2811426, 4217139, 5622852, 8434278, 16868556]

約数ペア:

[(1, 16868556), (2, 8434278), (3, 5622852), (4, 4217139), (6, 2811426), (9, 1874284), (12, 1405713), (17, 992268), (18, 937142), (34, 496134), (36, 468571), (43, 392292), (51, 330756), (68, 248067), (86, 196146), (102, 165378), (129, 130764), (153, 110252), (172, 98073), (204, 82689), (258, 65382), (306, 55126), (387, 43588), (516, 32691), (612, 27563), (641, 26316), (731, 23076), (774, 21794), (1282, 13158), (1462, 11538), (1548, 10897), (1923, 8772), (2193, 7692), (2564, 6579), (2924, 5769), (3846, 4386)]