209728188

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 540129408

約数和(自身を除く): 330401220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 163, 206, 309, 326, 347, 412, 489, 618, 652, 694, 927, 978, 1041, 1236, 1388, 1467, 1854, 1956, 2082, 2934, 3123, 3708, 4164, 5868, 6246, 12492, 16789, 33578, 35741, 50367, 56561, 67156, 71482, 100734, 107223, 113122, 142964, 151101, 169683, 201468, 214446, 226244, 302202, 321669, 339366, 428892, 509049, 604404, 643338, 678732, 1018098, 1286676, 2036196, 5825783, 11651566, 17477349, 23303132, 34954698, 52432047, 69909396, 104864094, 209728188]

約数ペア:

[(1, 209728188), (2, 104864094), (3, 69909396), (4, 52432047), (6, 34954698), (9, 23303132), (12, 17477349), (18, 11651566), (36, 5825783), (103, 2036196), (163, 1286676), (206, 1018098), (309, 678732), (326, 643338), (347, 604404), (412, 509049), (489, 428892), (618, 339366), (652, 321669), (694, 302202), (927, 226244), (978, 214446), (1041, 201468), (1236, 169683), (1388, 151101), (1467, 142964), (1854, 113122), (1956, 107223), (2082, 100734), (2934, 71482), (3123, 67156), (3708, 56561), (4164, 50367), (5868, 35741), (6246, 33578), (12492, 16789)]