209233168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{16787}}^1$

素因数の和:16855

約数の個数: 40

約数和(自身を含む): 437159520

約数和(自身を除く): 227926352

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 3116, 6232, 12464, 16787, 33574, 67148, 134296, 268592, 318953, 637906, 688267, 1275812, 1376534, 2551624, 2753068, 5103248, 5506136, 11012272, 13077073, 26154146, 52308292, 104616584, 209233168]

約数ペア:

[(1, 209233168), (2, 104616584), (4, 52308292), (8, 26154146), (16, 13077073), (19, 11012272), (38, 5506136), (41, 5103248), (76, 2753068), (82, 2551624), (152, 1376534), (164, 1275812), (304, 688267), (328, 637906), (656, 318953), (779, 268592), (1558, 134296), (3116, 67148), (6232, 33574), (12464, 16787)]