66287872

素因数分解:

$2^8\times 7^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 153643392

約数和(自身を除く): 87355520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 256, 284, 448, 497, 521, 568, 896, 994, 1042, 1136, 1792, 1988, 2084, 2272, 3647, 3976, 4168, 4544, 7294, 7952, 8336, 9088, 14588, 15904, 16672, 18176, 29176, 31808, 33344, 36991, 58352, 63616, 66688, 73982, 116704, 127232, 133376, 147964, 233408, 258937, 295928, 466816, 517874, 591856, 933632, 1035748, 1183712, 2071496, 2367424, 4142992, 4734848, 8285984, 9469696, 16571968, 33143936, 66287872]

約数ペア:

[(1, 66287872), (2, 33143936), (4, 16571968), (7, 9469696), (8, 8285984), (14, 4734848), (16, 4142992), (28, 2367424), (32, 2071496), (56, 1183712), (64, 1035748), (71, 933632), (112, 591856), (128, 517874), (142, 466816), (224, 295928), (256, 258937), (284, 233408), (448, 147964), (497, 133376), (521, 127232), (568, 116704), (896, 73982), (994, 66688), (1042, 63616), (1136, 58352), (1792, 36991), (1988, 33344), (2084, 31808), (2272, 29176), (3647, 18176), (3976, 16672), (4168, 15904), (4544, 14588), (7294, 9088), (7952, 8336)]