389941019

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{13469}}^1$

素因数の和:13630

約数の個数: 16

約数和(自身を含む): 448066080

約数和(自身を除く): 58125061

約数列:

[1, 13, 17, 131, 221, 1703, 2227, 13469, 28951, 175097, 228973, 1764439, 2976649, 22937707, 29995463, 389941019]

約数ペア:

[(1, 389941019), (13, 29995463), (17, 22937707), (131, 2976649), (221, 1764439), (1703, 228973), (2227, 175097), (13469, 28951)]