13881475

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 18141200

約数和(自身を除く): 4259725

約数列:

[1, 5, 25, 37, 43, 185, 215, 349, 925, 1075, 1591, 1745, 7955, 8725, 12913, 15007, 39775, 64565, 75035, 322825, 375175, 555259, 2776295, 13881475]

約数ペア:

[(1, 13881475), (5, 2776295), (25, 555259), (37, 375175), (43, 322825), (185, 75035), (215, 64565), (349, 39775), (925, 15007), (1075, 12913), (1591, 8725), (1745, 7955)]