66990976

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 145313280

約数和(自身を除く): 78322304

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 208, 254, 317, 416, 508, 634, 832, 1016, 1268, 1651, 1664, 2032, 2536, 3302, 4064, 4121, 5072, 6604, 8128, 8242, 10144, 13208, 16256, 16484, 20288, 26416, 32968, 40259, 40576, 52832, 65936, 80518, 105664, 131872, 161036, 211328, 263744, 322072, 523367, 527488, 644144, 1046734, 1288288, 2093468, 2576576, 4186936, 5153152, 8373872, 16747744, 33495488, 66990976]

約数ペア:

[(1, 66990976), (2, 33495488), (4, 16747744), (8, 8373872), (13, 5153152), (16, 4186936), (26, 2576576), (32, 2093468), (52, 1288288), (64, 1046734), (104, 644144), (127, 527488), (128, 523367), (208, 322072), (254, 263744), (317, 211328), (416, 161036), (508, 131872), (634, 105664), (832, 80518), (1016, 65936), (1268, 52832), (1651, 40576), (1664, 40259), (2032, 32968), (2536, 26416), (3302, 20288), (4064, 16484), (4121, 16256), (5072, 13208), (6604, 10144), (8128, 8242)]