2781795254

素因数分解:

$2^1\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{143881}}^1$

素因数の和:145271

約数の個数: 16

約数和(自身を含む): 4772278176

約数和(自身を除く): 1990482922

約数列:

[1, 2, 7, 14, 1381, 2762, 9667, 19334, 143881, 287762, 1007167, 2014334, 198699661, 397399322, 1390897627, 2781795254]

約数ペア:

[(1, 2781795254), (2, 1390897627), (7, 397399322), (14, 198699661), (1381, 2014334), (2762, 1007167), (9667, 287762), (19334, 143881)]