256948392

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{248981}}^1$

素因数の和:249033

約数の個数: 32

約数和(自身を含む): 657312480

約数和(自身を除く): 400364088

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 248981, 497962, 746943, 995924, 1493886, 1991848, 2987772, 5975544, 10706183, 21412366, 32118549, 42824732, 64237098, 85649464, 128474196, 256948392]

約数ペア:

[(1, 256948392), (2, 128474196), (3, 85649464), (4, 64237098), (6, 42824732), (8, 32118549), (12, 21412366), (24, 10706183), (43, 5975544), (86, 2987772), (129, 1991848), (172, 1493886), (258, 995924), (344, 746943), (516, 497962), (1032, 248981)]