138867808

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6173}}^1$

素因数の和:6239

約数の個数: 48

約数和(自身を含む): 295611120

約数和(自身を除く): 156743312

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 74, 76, 148, 152, 296, 304, 592, 608, 703, 1184, 1406, 2812, 5624, 6173, 11248, 12346, 22496, 24692, 49384, 98768, 117287, 197536, 228401, 234574, 456802, 469148, 913604, 938296, 1827208, 1876592, 3654416, 3753184, 4339619, 7308832, 8679238, 17358476, 34716952, 69433904, 138867808]

約数ペア:

[(1, 138867808), (2, 69433904), (4, 34716952), (8, 17358476), (16, 8679238), (19, 7308832), (32, 4339619), (37, 3753184), (38, 3654416), (74, 1876592), (76, 1827208), (148, 938296), (152, 913604), (296, 469148), (304, 456802), (592, 234574), (608, 228401), (703, 197536), (1184, 117287), (1406, 98768), (2812, 49384), (5624, 24692), (6173, 22496), (11248, 12346)]