221365984

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42967}}^1$

素因数の和:43007

約数の個数: 48

約数和(自身を含む): 519740928

約数和(自身を除く): 298374944

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 5152, 42967, 85934, 171868, 300769, 343736, 601538, 687472, 988241, 1203076, 1374944, 1976482, 2406152, 3952964, 4812304, 6917687, 7905928, 9624608, 13835374, 15811856, 27670748, 31623712, 55341496, 110682992, 221365984]

約数ペア:

[(1, 221365984), (2, 110682992), (4, 55341496), (7, 31623712), (8, 27670748), (14, 15811856), (16, 13835374), (23, 9624608), (28, 7905928), (32, 6917687), (46, 4812304), (56, 3952964), (92, 2406152), (112, 1976482), (161, 1374944), (184, 1203076), (224, 988241), (322, 687472), (368, 601538), (644, 343736), (736, 300769), (1288, 171868), (2576, 85934), (5152, 42967)]