74971456

素因数分解:

$2^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2357}}^1$

素因数の和:2447

約数の個数: 56

約数和(自身を含む): 172492416

約数和(自身を除く): 97520960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 142, 224, 284, 448, 497, 568, 994, 1136, 1988, 2272, 2357, 3976, 4544, 4714, 7952, 9428, 15904, 16499, 18856, 31808, 32998, 37712, 65996, 75424, 131992, 150848, 167347, 263984, 334694, 527968, 669388, 1055936, 1171429, 1338776, 2342858, 2677552, 4685716, 5355104, 9371432, 10710208, 18742864, 37485728, 74971456]

約数ペア:

[(1, 74971456), (2, 37485728), (4, 18742864), (7, 10710208), (8, 9371432), (14, 5355104), (16, 4685716), (28, 2677552), (32, 2342858), (56, 1338776), (64, 1171429), (71, 1055936), (112, 669388), (142, 527968), (224, 334694), (284, 263984), (448, 167347), (497, 150848), (568, 131992), (994, 75424), (1136, 65996), (1988, 37712), (2272, 32998), (2357, 31808), (3976, 18856), (4544, 16499), (4714, 15904), (7952, 9428)]