2278289

素因数分解:

${\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 16

約数和(自身を含む): 2656080

約数和(自身を除く): 377791

約数列:

[1, 13, 17, 61, 169, 221, 793, 1037, 2197, 2873, 10309, 13481, 37349, 134017, 175253, 2278289]

約数ペア:

[(1, 2278289), (13, 175253), (17, 134017), (61, 37349), (169, 13481), (221, 10309), (793, 2873), (1037, 2197)]