66728864

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:669

約数の個数: 48

約数和(自身を含む): 136878336

約数和(自身を除く): 70149472

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 137, 248, 274, 491, 496, 548, 982, 992, 1096, 1964, 2192, 3928, 4247, 4384, 7856, 8494, 15221, 15712, 16988, 30442, 33976, 60884, 67267, 67952, 121768, 134534, 135904, 243536, 269068, 487072, 538136, 1076272, 2085277, 2152544, 4170554, 8341108, 16682216, 33364432, 66728864]

約数ペア:

[(1, 66728864), (2, 33364432), (4, 16682216), (8, 8341108), (16, 4170554), (31, 2152544), (32, 2085277), (62, 1076272), (124, 538136), (137, 487072), (248, 269068), (274, 243536), (491, 135904), (496, 134534), (548, 121768), (982, 67952), (992, 67267), (1096, 60884), (1964, 33976), (2192, 30442), (3928, 16988), (4247, 15712), (4384, 15221), (7856, 8494)]