128557534

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21013}}^1$

素因数の和:21064

約数の個数: 32

約数和(自身を含む): 242081280

約数和(自身を除く): 113523746

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 133, 161, 266, 322, 437, 874, 3059, 6118, 21013, 42026, 147091, 294182, 399247, 483299, 798494, 966598, 2794729, 3383093, 5589458, 6766186, 9182681, 18365362, 64278767, 128557534]

約数ペア:

[(1, 128557534), (2, 64278767), (7, 18365362), (14, 9182681), (19, 6766186), (23, 5589458), (38, 3383093), (46, 2794729), (133, 966598), (161, 798494), (266, 483299), (322, 399247), (437, 294182), (874, 147091), (3059, 42026), (6118, 21013)]