207934288

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{1609}}^1$

素因数の和:1855

約数の個数: 40

約数和(自身を含む): 415051560

約数和(自身を除く): 207117272

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 197, 328, 394, 656, 788, 1576, 1609, 3152, 3218, 6436, 8077, 12872, 16154, 25744, 32308, 64616, 65969, 129232, 131938, 263876, 316973, 527752, 633946, 1055504, 1267892, 2535784, 5071568, 12995893, 25991786, 51983572, 103967144, 207934288]

約数ペア:

[(1, 207934288), (2, 103967144), (4, 51983572), (8, 25991786), (16, 12995893), (41, 5071568), (82, 2535784), (164, 1267892), (197, 1055504), (328, 633946), (394, 527752), (656, 316973), (788, 263876), (1576, 131938), (1609, 129232), (3152, 65969), (3218, 64616), (6436, 32308), (8077, 25744), (12872, 16154)]