64766768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^2\times {\mathrm{73}}^1$

素因数の和:234

約数の個数: 60

約数和(自身を含む): 140750664

約数和(自身を除く): 75983896

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 73, 88, 142, 146, 176, 284, 292, 568, 584, 781, 803, 1136, 1168, 1562, 1606, 3124, 3212, 5041, 5183, 6248, 6424, 10082, 10366, 12496, 12848, 20164, 20732, 40328, 41464, 55451, 57013, 80656, 82928, 110902, 114026, 221804, 228052, 367993, 443608, 456104, 735986, 887216, 912208, 1471972, 2943944, 4047923, 5887888, 8095846, 16191692, 32383384, 64766768]

約数ペア:

[(1, 64766768), (2, 32383384), (4, 16191692), (8, 8095846), (11, 5887888), (16, 4047923), (22, 2943944), (44, 1471972), (71, 912208), (73, 887216), (88, 735986), (142, 456104), (146, 443608), (176, 367993), (284, 228052), (292, 221804), (568, 114026), (584, 110902), (781, 82928), (803, 80656), (1136, 57013), (1168, 55451), (1562, 41464), (1606, 40328), (3124, 20732), (3212, 20164), (5041, 12848), (5183, 12496), (6248, 10366), (6424, 10082)]