240998888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{121963}}^1$

素因数の和:122001

約数の個数: 32

約数和(自身を含む): 512248800

約数和(自身を除く): 271249912

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 121963, 243926, 487852, 975704, 1585519, 2317297, 3171038, 4634594, 6342076, 9269188, 12684152, 18538376, 30124861, 60249722, 120499444, 240998888]

約数ペア:

[(1, 240998888), (2, 120499444), (4, 60249722), (8, 30124861), (13, 18538376), (19, 12684152), (26, 9269188), (38, 6342076), (52, 4634594), (76, 3171038), (104, 2317297), (152, 1585519), (247, 975704), (494, 487852), (988, 243926), (1976, 121963)]