201426407

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 255360000

約数和(自身を除く): 53933593

約数列:

[1, 7, 13, 49, 91, 199, 227, 343, 637, 1393, 1589, 2587, 2951, 4459, 9751, 11123, 18109, 20657, 45173, 68257, 77861, 126763, 144599, 316211, 587249, 887341, 1012193, 2213477, 4110743, 15494339, 28775201, 201426407]

約数ペア:

[(1, 201426407), (7, 28775201), (13, 15494339), (49, 4110743), (91, 2213477), (199, 1012193), (227, 887341), (343, 587249), (637, 316211), (1393, 144599), (1589, 126763), (2587, 77861), (2951, 68257), (4459, 45173), (9751, 20657), (11123, 18109)]