128898257846

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{443}}^1\times {\mathrm{403001}}^1$

素因数の和:403484

約数の個数: 24

約数和(自身を含む): 204520290984

約数和(自身を除く): 75622033138

約数列:

[1, 2, 19, 38, 361, 443, 722, 886, 8417, 16834, 159923, 319846, 403001, 806002, 7657019, 15314038, 145483361, 178529443, 290966722, 357058886, 3392059417, 6784118834, 64449128923, 128898257846]

約数ペア:

[(1, 128898257846), (2, 64449128923), (19, 6784118834), (38, 3392059417), (361, 357058886), (443, 290966722), (722, 178529443), (886, 145483361), (8417, 15314038), (16834, 7657019), (159923, 806002), (319846, 403001)]