389634344

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{10273}}^1$

素因数の和:10721

約数の個数: 32

約数和(自身を含む): 798906240

約数和(自身を除く): 409271896

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 431, 862, 1724, 3448, 4741, 9482, 10273, 18964, 20546, 37928, 41092, 82184, 113003, 226006, 452012, 904024, 4427663, 8855326, 17710652, 35421304, 48704293, 97408586, 194817172, 389634344]

約数ペア:

[(1, 389634344), (2, 194817172), (4, 97408586), (8, 48704293), (11, 35421304), (22, 17710652), (44, 8855326), (88, 4427663), (431, 904024), (862, 452012), (1724, 226006), (3448, 113003), (4741, 82184), (9482, 41092), (10273, 37928), (18964, 20546)]