248809978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{653}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 405584640

約数和(自身を除く): 156774662

約数列:

[1, 2, 19, 37, 38, 74, 271, 542, 653, 703, 1306, 1406, 5149, 10027, 10298, 12407, 20054, 24161, 24814, 48322, 176963, 190513, 353926, 381026, 459059, 918118, 3362297, 6547631, 6724594, 13095262, 124404989, 248809978]

約数ペア:

[(1, 248809978), (2, 124404989), (19, 13095262), (37, 6724594), (38, 6547631), (74, 3362297), (271, 918118), (542, 459059), (653, 381026), (703, 353926), (1306, 190513), (1406, 176963), (5149, 48322), (10027, 24814), (10298, 24161), (12407, 20054)]