2581439056

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{165817}}^1$

素因数の和:165971

約数の個数: 40

約数和(自身を含む): 5757200960

約数和(自身を除く): 3175761904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1946, 2224, 3892, 7784, 15568, 165817, 331634, 663268, 1160719, 1326536, 2321438, 2653072, 4642876, 9285752, 18571504, 23048563, 46097126, 92194252, 161339941, 184388504, 322679882, 368777008, 645359764, 1290719528, 2581439056]

約数ペア:

[(1, 2581439056), (2, 1290719528), (4, 645359764), (7, 368777008), (8, 322679882), (14, 184388504), (16, 161339941), (28, 92194252), (56, 46097126), (112, 23048563), (139, 18571504), (278, 9285752), (556, 4642876), (973, 2653072), (1112, 2321438), (1946, 1326536), (2224, 1160719), (3892, 663268), (7784, 331634), (15568, 165817)]