128543254

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 240768000

約数和(自身を除く): 112224746

約数列:

[1, 2, 7, 14, 29, 37, 43, 58, 74, 86, 199, 203, 259, 301, 398, 406, 518, 602, 1073, 1247, 1393, 1591, 2146, 2494, 2786, 3182, 5771, 7363, 7511, 8557, 8729, 11137, 11542, 14726, 15022, 17114, 17458, 22274, 40397, 46139, 51541, 59899, 80794, 92278, 103082, 119798, 213527, 248153, 316609, 322973, 427054, 496306, 633218, 645946, 1494689, 1737071, 2216263, 2989378, 3474142, 4432526, 9181661, 18363322, 64271627, 128543254]

約数ペア:

[(1, 128543254), (2, 64271627), (7, 18363322), (14, 9181661), (29, 4432526), (37, 3474142), (43, 2989378), (58, 2216263), (74, 1737071), (86, 1494689), (199, 645946), (203, 633218), (259, 496306), (301, 427054), (398, 322973), (406, 316609), (518, 248153), (602, 213527), (1073, 119798), (1247, 103082), (1393, 92278), (1591, 80794), (2146, 59899), (2494, 51541), (2786, 46139), (3182, 40397), (5771, 22274), (7363, 17458), (7511, 17114), (8557, 15022), (8729, 14726), (11137, 11542)]