281142904

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{122449}}^1$

素因数の和:122503

約数の個数: 32

約数和(自身を含む): 617148000

約数和(自身を除く): 336005096

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 122449, 244898, 489796, 857143, 979592, 1714286, 3428572, 5020409, 6857144, 10040818, 20081636, 35142863, 40163272, 70285726, 140571452, 281142904]

約数ペア:

[(1, 281142904), (2, 140571452), (4, 70285726), (7, 40163272), (8, 35142863), (14, 20081636), (28, 10040818), (41, 6857144), (56, 5020409), (82, 3428572), (164, 1714286), (287, 979592), (328, 857143), (574, 489796), (1148, 244898), (2296, 122449)]