257119486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{24179}}^1$

素因数の和:24603

約数の個数: 16

約数和(自身を含む): 416379600

約数和(自身を除く): 159260114

約数列:

[1, 2, 13, 26, 409, 818, 5317, 10634, 24179, 48358, 314327, 628654, 9889211, 19778422, 128559743, 257119486]

約数ペア:

[(1, 257119486), (2, 128559743), (13, 19778422), (26, 9889211), (409, 628654), (818, 314327), (5317, 48358), (10634, 24179)]