1287659521

素因数分解:

${\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 1317829968

約数和(自身を除く): 30170447

約数列:

[1, 113, 157, 181, 401, 17741, 20453, 28417, 45313, 62957, 72581, 3211121, 7114141, 8201653, 11395217, 1287659521]

約数ペア:

[(1, 1287659521), (113, 11395217), (157, 8201653), (181, 7114141), (401, 3211121), (17741, 72581), (20453, 62957), (28417, 45313)]