77777336

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5623}}^1$

素因数の和:5668

約数の個数: 64

約数和(自身を含む): 188966400

約数和(自身を除く): 111189064

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1729, 1976, 3458, 5623, 6916, 11246, 13832, 22492, 39361, 44984, 73099, 78722, 106837, 146198, 157444, 213674, 292396, 314888, 427348, 511693, 584792, 747859, 854696, 1023386, 1388881, 1495718, 2046772, 2777762, 2991436, 4093544, 5555524, 5982872, 9722167, 11111048, 19444334, 38888668, 77777336]

約数ペア:

[(1, 77777336), (2, 38888668), (4, 19444334), (7, 11111048), (8, 9722167), (13, 5982872), (14, 5555524), (19, 4093544), (26, 2991436), (28, 2777762), (38, 2046772), (52, 1495718), (56, 1388881), (76, 1023386), (91, 854696), (104, 747859), (133, 584792), (152, 511693), (182, 427348), (247, 314888), (266, 292396), (364, 213674), (494, 157444), (532, 146198), (728, 106837), (988, 78722), (1064, 73099), (1729, 44984), (1976, 39361), (3458, 22492), (5623, 13832), (6916, 11246)]