128156940296

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{997}}^1\times {\mathrm{208673}}^1$

素因数の和:209694

約数の個数: 64

約数和(自身を含む): 299889578880

約数和(自身を除く): 171732638584

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 997, 1994, 3988, 6979, 7976, 10967, 13958, 21934, 27916, 43868, 55832, 76769, 87736, 153538, 208673, 307076, 417346, 614152, 834692, 1460711, 1669384, 2295403, 2921422, 4590806, 5842844, 9181612, 11685688, 16067821, 18363224, 32135642, 64271284, 128542568, 208046981, 416093962, 832187924, 1456328867, 1664375848, 2288516791, 2912657734, 4577033582, 5825315468, 9154067164, 11650630936, 16019617537, 18308134328, 32039235074, 64078470148, 128156940296]

約数ペア:

[(1, 128156940296), (2, 64078470148), (4, 32039235074), (7, 18308134328), (8, 16019617537), (11, 11650630936), (14, 9154067164), (22, 5825315468), (28, 4577033582), (44, 2912657734), (56, 2288516791), (77, 1664375848), (88, 1456328867), (154, 832187924), (308, 416093962), (616, 208046981), (997, 128542568), (1994, 64271284), (3988, 32135642), (6979, 18363224), (7976, 16067821), (10967, 11685688), (13958, 9181612), (21934, 5842844), (27916, 4590806), (43868, 2921422), (55832, 2295403), (76769, 1669384), (87736, 1460711), (153538, 834692), (208673, 614152), (307076, 417346)]