138587456

素因数分解:

$2^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4357}}^1$

素因数の和:4447

約数の個数: 56

約数和(自身を含む): 318796416

約数和(自身を除く): 180208960

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, 3976, 4357, 4544, 7952, 8714, 15904, 17428, 30499, 31808, 34856, 60998, 69712, 121996, 139424, 243992, 278848, 309347, 487984, 618694, 975968, 1237388, 1951936, 2165429, 2474776, 4330858, 4949552, 8661716, 9899104, 17323432, 19798208, 34646864, 69293728, 138587456]

約数ペア:

[(1, 138587456), (2, 69293728), (4, 34646864), (7, 19798208), (8, 17323432), (14, 9899104), (16, 8661716), (28, 4949552), (32, 4330858), (56, 2474776), (64, 2165429), (71, 1951936), (112, 1237388), (142, 975968), (224, 618694), (284, 487984), (448, 309347), (497, 278848), (568, 243992), (994, 139424), (1136, 121996), (1988, 69712), (2272, 60998), (3976, 34856), (4357, 31808), (4544, 30499), (7952, 17428), (8714, 15904)]