208855128

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{461}}^1$

素因数の和:952

約数の個数: 64

約数和(自身を含む): 536659200

約数和(自身を除く): 327804072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 439, 461, 516, 878, 922, 1032, 1317, 1383, 1756, 1844, 2634, 2766, 3512, 3688, 5268, 5532, 10536, 11064, 18877, 19823, 37754, 39646, 56631, 59469, 75508, 79292, 113262, 118938, 151016, 158584, 202379, 226524, 237876, 404758, 453048, 475752, 607137, 809516, 1214274, 1619032, 2428548, 4857096, 8702297, 17404594, 26106891, 34809188, 52213782, 69618376, 104427564, 208855128]

約数ペア:

[(1, 208855128), (2, 104427564), (3, 69618376), (4, 52213782), (6, 34809188), (8, 26106891), (12, 17404594), (24, 8702297), (43, 4857096), (86, 2428548), (129, 1619032), (172, 1214274), (258, 809516), (344, 607137), (439, 475752), (461, 453048), (516, 404758), (878, 237876), (922, 226524), (1032, 202379), (1317, 158584), (1383, 151016), (1756, 118938), (1844, 113262), (2634, 79292), (2766, 75508), (3512, 59469), (3688, 56631), (5268, 39646), (5532, 37754), (10536, 19823), (11064, 18877)]