857416

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 1874880

約数和(自身を除く): 1017464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 251, 427, 488, 502, 854, 1004, 1708, 1757, 2008, 3416, 3514, 7028, 14056, 15311, 30622, 61244, 107177, 122488, 214354, 428708, 857416]

約数ペア:

[(1, 857416), (2, 428708), (4, 214354), (7, 122488), (8, 107177), (14, 61244), (28, 30622), (56, 15311), (61, 14056), (122, 7028), (244, 3514), (251, 3416), (427, 2008), (488, 1757), (502, 1708), (854, 1004)]