28751618

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 50675328

約数和(自身を除く): 21923710

約数列:

[1, 2, 7, 14, 61, 122, 131, 257, 262, 427, 514, 854, 917, 1799, 1834, 3598, 7991, 15677, 15982, 31354, 33667, 55937, 67334, 109739, 111874, 219478, 235669, 471338, 2053687, 4107374, 14375809, 28751618]

約数ペア:

[(1, 28751618), (2, 14375809), (7, 4107374), (14, 2053687), (61, 471338), (122, 235669), (131, 219478), (257, 111874), (262, 109739), (427, 67334), (514, 55937), (854, 33667), (917, 31354), (1799, 15982), (1834, 15677), (3598, 7991)]