51164048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245981}}^1$

素因数の和:246002

約数の個数: 20

約数和(自身を含む): 106756188

約数和(自身を除く): 55592140

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245981, 491962, 983924, 1967848, 3197753, 3935696, 6395506, 12791012, 25582024, 51164048]

約数ペア:

[(1, 51164048), (2, 25582024), (4, 12791012), (8, 6395506), (13, 3935696), (16, 3197753), (26, 1967848), (52, 983924), (104, 491962), (208, 245981)]