25666004

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1439}}^1$

素因数の和:1477

約数の個数: 48

約数和(自身を含む): 56448000

約数和(自身を除く): 30781996

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 343, 364, 637, 686, 1274, 1372, 1439, 2548, 2878, 4459, 5756, 8918, 10073, 17836, 18707, 20146, 37414, 40292, 70511, 74828, 130949, 141022, 261898, 282044, 493577, 523796, 916643, 987154, 1833286, 1974308, 3666572, 6416501, 12833002, 25666004]

約数ペア:

[(1, 25666004), (2, 12833002), (4, 6416501), (7, 3666572), (13, 1974308), (14, 1833286), (26, 987154), (28, 916643), (49, 523796), (52, 493577), (91, 282044), (98, 261898), (182, 141022), (196, 130949), (343, 74828), (364, 70511), (637, 40292), (686, 37414), (1274, 20146), (1372, 18707), (1439, 17836), (2548, 10073), (2878, 8918), (4459, 5756)]