66396928

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 145254816

約数和(自身を除く): 78857888

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 128, 142, 208, 256, 281, 284, 416, 562, 568, 832, 923, 1124, 1136, 1664, 1846, 2248, 2272, 3328, 3653, 3692, 4496, 4544, 7306, 7384, 8992, 9088, 14612, 14768, 17984, 18176, 19951, 29224, 29536, 35968, 39902, 58448, 59072, 71936, 79804, 116896, 118144, 159608, 233792, 236288, 259363, 319216, 467584, 518726, 638432, 935168, 1037452, 1276864, 2074904, 2553728, 4149808, 5107456, 8299616, 16599232, 33198464, 66396928]

約数ペア:

[(1, 66396928), (2, 33198464), (4, 16599232), (8, 8299616), (13, 5107456), (16, 4149808), (26, 2553728), (32, 2074904), (52, 1276864), (64, 1037452), (71, 935168), (104, 638432), (128, 518726), (142, 467584), (208, 319216), (256, 259363), (281, 236288), (284, 233792), (416, 159608), (562, 118144), (568, 116896), (832, 79804), (923, 71936), (1124, 59072), (1136, 58448), (1664, 39902), (1846, 35968), (2248, 29536), (2272, 29224), (3328, 19951), (3653, 18176), (3692, 17984), (4496, 14768), (4544, 14612), (7306, 9088), (7384, 8992)]