28405874

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4643}}^1$

素因数の和:4694

約数の個数: 32

約数和(自身を含む): 53498880

約数和(自身を除く): 25093006

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 133, 161, 266, 322, 437, 874, 3059, 4643, 6118, 9286, 32501, 65002, 88217, 106789, 176434, 213578, 617519, 747523, 1235038, 1495046, 2028991, 4057982, 14202937, 28405874]

約数ペア:

[(1, 28405874), (2, 14202937), (7, 4057982), (14, 2028991), (19, 1495046), (23, 1235038), (38, 747523), (46, 617519), (133, 213578), (161, 176434), (266, 106789), (322, 88217), (437, 65002), (874, 32501), (3059, 9286), (4643, 6118)]