128548511

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 163430400

約数和(自身を除く): 34881889

約数列:

[1, 7, 13, 49, 91, 127, 227, 343, 637, 889, 1589, 1651, 2951, 4459, 6223, 11123, 11557, 20657, 28829, 43561, 77861, 80899, 144599, 201803, 374777, 566293, 1012193, 1412621, 2623439, 9888347, 18364073, 128548511]

約数ペア:

[(1, 128548511), (7, 18364073), (13, 9888347), (49, 2623439), (91, 1412621), (127, 1012193), (227, 566293), (343, 374777), (637, 201803), (889, 144599), (1589, 80899), (1651, 77861), (2951, 43561), (4459, 28829), (6223, 20657), (11123, 11557)]