1263689

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:244

約数の個数: 16

約数和(自身を含む): 1548288

約数和(自身を除く): 284599

約数列:

[1, 7, 23, 47, 161, 167, 329, 1081, 1169, 3841, 7567, 7849, 26887, 54943, 180527, 1263689]

約数ペア:

[(1, 1263689), (7, 180527), (23, 54943), (47, 26887), (161, 7849), (167, 7567), (329, 3841), (1081, 1169)]