13978913

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1544

約数の個数: 16

約数和(自身を含む): 16321536

約数和(自身を除く): 2342623

約数列:

[1, 13, 17, 43, 221, 559, 731, 1471, 9503, 19123, 25007, 63253, 325091, 822289, 1075301, 13978913]

約数ペア:

[(1, 13978913), (13, 1075301), (17, 822289), (43, 325091), (221, 63253), (559, 25007), (731, 19123), (1471, 9503)]