38978329

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 45384000

約数和(自身を除く): 6405671

約数列:

[1, 13, 19, 61, 169, 199, 247, 793, 1159, 2587, 3211, 3781, 10309, 12139, 15067, 33631, 49153, 157807, 195871, 230641, 638989, 2051491, 2998333, 38978329]

約数ペア:

[(1, 38978329), (13, 2998333), (19, 2051491), (61, 638989), (169, 230641), (199, 195871), (247, 157807), (793, 49153), (1159, 33631), (2587, 15067), (3211, 12139), (3781, 10309)]