51438338

素因数分解:

$2^1\times 7^3\times {\mathrm{167}}^1\times {\mathrm{449}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 90720000

約数和(自身を除く): 39281662

約数列:

[1, 2, 7, 14, 49, 98, 167, 334, 343, 449, 686, 898, 1169, 2338, 3143, 6286, 8183, 16366, 22001, 44002, 57281, 74983, 114562, 149966, 154007, 308014, 524881, 1049762, 3674167, 7348334, 25719169, 51438338]

約数ペア:

[(1, 51438338), (2, 25719169), (7, 7348334), (14, 3674167), (49, 1049762), (98, 524881), (167, 308014), (334, 154007), (343, 149966), (449, 114562), (686, 74983), (898, 57281), (1169, 44002), (2338, 22001), (3143, 16366), (6286, 8183)]