205740208

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{15739}}^1$

素因数の和:15809

約数の個数: 40

約数和(自身を含む): 429387200

約数和(自身を除く): 223646992

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 13072, 15739, 31478, 62956, 125912, 251824, 299041, 598082, 676777, 1196164, 1353554, 2392328, 2707108, 4784656, 5414216, 10828432, 12858763, 25717526, 51435052, 102870104, 205740208]

約数ペア:

[(1, 205740208), (2, 102870104), (4, 51435052), (8, 25717526), (16, 12858763), (19, 10828432), (38, 5414216), (43, 4784656), (76, 2707108), (86, 2392328), (152, 1353554), (172, 1196164), (304, 676777), (344, 598082), (688, 299041), (817, 251824), (1634, 125912), (3268, 62956), (6536, 31478), (13072, 15739)]