205780852

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 408385152

約数和(自身を除く): 202604300

約数列:

[1, 2, 4, 17, 31, 34, 47, 62, 67, 68, 94, 124, 134, 188, 268, 527, 799, 961, 1054, 1139, 1457, 1598, 1922, 2077, 2108, 2278, 2914, 3149, 3196, 3844, 4154, 4556, 5828, 6298, 8308, 12596, 16337, 24769, 32674, 35309, 45167, 49538, 53533, 64387, 65348, 70618, 90334, 97619, 99076, 107066, 128774, 141236, 180668, 195238, 214132, 257548, 390476, 767839, 1094579, 1535678, 1659523, 2189158, 3026189, 3071356, 3319046, 4378316, 6052378, 6638092, 12104756, 51445213, 102890426, 205780852]

約数ペア:

[(1, 205780852), (2, 102890426), (4, 51445213), (17, 12104756), (31, 6638092), (34, 6052378), (47, 4378316), (62, 3319046), (67, 3071356), (68, 3026189), (94, 2189158), (124, 1659523), (134, 1535678), (188, 1094579), (268, 767839), (527, 390476), (799, 257548), (961, 214132), (1054, 195238), (1139, 180668), (1457, 141236), (1598, 128774), (1922, 107066), (2077, 99076), (2108, 97619), (2278, 90334), (2914, 70618), (3149, 65348), (3196, 64387), (3844, 53533), (4154, 49538), (4556, 45167), (5828, 35309), (6298, 32674), (8308, 24769), (12596, 16337)]