1285447616

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{282889}}^1$

素因数の和:282972

約数の個数: 28

約数和(自身を含む): 2586746160

約数和(自身を除く): 1301298544

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 282889, 565778, 1131556, 2263112, 4526224, 9052448, 18104896, 20085119, 40170238, 80340476, 160680952, 321361904, 642723808, 1285447616]

約数ペア:

[(1, 1285447616), (2, 642723808), (4, 321361904), (8, 160680952), (16, 80340476), (32, 40170238), (64, 20085119), (71, 18104896), (142, 9052448), (284, 4526224), (568, 2263112), (1136, 1131556), (2272, 565778), (4544, 282889)]