278300048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1337981}}^1$

素因数の和:1338002

約数の個数: 20

約数和(自身を含む): 580684188

約数和(自身を除く): 302384140

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1337981, 2675962, 5351924, 10703848, 17393753, 21407696, 34787506, 69575012, 139150024, 278300048]

約数ペア:

[(1, 278300048), (2, 139150024), (4, 69575012), (8, 34787506), (13, 21407696), (16, 17393753), (26, 10703848), (52, 5351924), (104, 2675962), (208, 1337981)]