1338726557

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{593}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 1654608384

約数和(自身を除く): 315881827

約数列:

[1, 7, 17, 61, 119, 311, 427, 593, 1037, 2177, 4151, 5287, 7259, 10081, 18971, 36173, 37009, 70567, 132797, 184423, 253211, 322507, 614941, 1290961, 2257549, 3135191, 4304587, 11249803, 21946337, 78748621, 191246651, 1338726557]

約数ペア:

[(1, 1338726557), (7, 191246651), (17, 78748621), (61, 21946337), (119, 11249803), (311, 4304587), (427, 3135191), (593, 2257549), (1037, 1290961), (2177, 614941), (4151, 322507), (5287, 253211), (7259, 184423), (10081, 132797), (18971, 70567), (36173, 37009)]