16571968

素因数分解:

$2^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:611

約数の個数: 56

約数和(自身を含む): 38185344

約数和(自身を除く): 21613376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 142, 224, 284, 448, 497, 521, 568, 994, 1042, 1136, 1988, 2084, 2272, 3647, 3976, 4168, 4544, 7294, 7952, 8336, 14588, 15904, 16672, 29176, 31808, 33344, 36991, 58352, 73982, 116704, 147964, 233408, 258937, 295928, 517874, 591856, 1035748, 1183712, 2071496, 2367424, 4142992, 8285984, 16571968]

約数ペア:

[(1, 16571968), (2, 8285984), (4, 4142992), (7, 2367424), (8, 2071496), (14, 1183712), (16, 1035748), (28, 591856), (32, 517874), (56, 295928), (64, 258937), (71, 233408), (112, 147964), (142, 116704), (224, 73982), (284, 58352), (448, 36991), (497, 33344), (521, 31808), (568, 29176), (994, 16672), (1042, 15904), (1136, 14588), (1988, 8336), (2084, 7952), (2272, 7294), (3647, 4544), (3976, 4168)]